18680008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137353}}^1$

素因数の和:137376

約数の個数: 16

約数和(自身を含む): 37085580

約数和(自身を除く): 18405572

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137353, 274706, 549412, 1098824, 2335001, 4670002, 9340004, 18680008]

約数ペア:

[(1, 18680008), (2, 9340004), (4, 4670002), (8, 2335001), (17, 1098824), (34, 549412), (68, 274706), (136, 137353)]