18668031

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1050

約数の個数: 16

約数和(自身を含む): 25575264

約数和(自身を除く): 6907233

約数列:

[1, 3, 53, 137, 159, 411, 857, 2571, 7261, 21783, 45421, 117409, 136263, 352227, 6222677, 18668031]

約数ペア:

[(1, 18668031), (3, 6222677), (53, 352227), (137, 136263), (159, 117409), (411, 45421), (857, 21783), (2571, 7261)]