19664953

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6229}}^1$

素因数の和:6288

約数の個数: 16

約数和(自身を含む): 25119360

約数和(自身を除く): 5454407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6229, 43603, 68519, 255389, 479633, 1787723, 2809279, 19664953]

約数ペア:

[(1, 19664953), (7, 2809279), (11, 1787723), (41, 479633), (77, 255389), (287, 68519), (451, 43603), (3157, 6229)]