18868159

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:570

約数の個数: 16

約数和(自身を含む): 20774880

約数和(自身を除く): 1906721

約数列:

[1, 19, 41, 53, 457, 779, 1007, 2173, 8683, 18737, 24221, 41287, 356003, 460199, 993061, 18868159]

約数ペア:

[(1, 18868159), (19, 993061), (41, 460199), (53, 356003), (457, 41287), (779, 24221), (1007, 18737), (2173, 8683)]