19491914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10559}}^1$

素因数の和:10645

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 12441526

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10559, 21118, 137267, 274534, 749689, 1499378, 9745957, 19491914]

約数ペア:

[(1, 19491914), (2, 9745957), (13, 1499378), (26, 749689), (71, 274534), (142, 137267), (923, 21118), (1846, 10559)]