18257195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17471}}^1$

素因数の和:17506

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 6902485

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 17471, 87355, 192181, 331949, 960905, 1659745, 3651439, 18257195]

約数ペア:

[(1, 18257195), (5, 3651439), (11, 1659745), (19, 960905), (55, 331949), (95, 192181), (209, 87355), (1045, 17471)]