Factors / Factors of 193

Factors of 193

1, 193

193 is prime: only factor pair is (1, 193), confirmed by trial division up to √193 ≈ 13.9 turning up nothing else. 193's full pair list is (1, 193), for 2 divisors in total. 193's divisors other than 193 itself sum to just 1, 192 below 193: the common deficient case. 193 is odd, digit sum 13 for 193; none of 2-12 divide 193 evenly. 193 has 2 divisors; 192 has 14 and 194 has 4, so 192 wins here. 193 divided by its largest divisor, 1, gives 193.