18156358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20129}}^1$

素因数の和:20183

約数の個数: 16

約数和(自身を含む): 30436560

約数和(自身を除く): 12280202

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 20129, 40258, 221419, 442838, 825289, 1650578, 9078179, 18156358]

約数ペア:

[(1, 18156358), (2, 9078179), (11, 1650578), (22, 825289), (41, 442838), (82, 221419), (451, 40258), (902, 20129)]