11111998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1531}}^1$

素因数の和:1743

約数の個数: 16

約数和(自身を含む): 17648640

約数和(自身を除く): 6536642

約数列:

[1, 2, 19, 38, 191, 382, 1531, 3062, 3629, 7258, 29089, 58178, 292421, 584842, 5555999, 11111998]

約数ペア:

[(1, 11111998), (2, 5555999), (19, 584842), (38, 292421), (191, 58178), (382, 29089), (1531, 7258), (3062, 3629)]