11987195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11506

約数の個数: 16

約数和(自身を含む): 16519680

約数和(自身を除く): 4532485

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 11471, 57355, 126181, 217949, 630905, 1089745, 2397439, 11987195]

約数ペア:

[(1, 11987195), (5, 2397439), (11, 1089745), (19, 630905), (55, 217949), (95, 126181), (209, 57355), (1045, 11471)]