18175436

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 32871216

約数和(自身を除く): 14695780

約数列:

[1, 2, 4, 37, 74, 148, 227, 454, 541, 908, 1082, 2164, 8399, 16798, 20017, 33596, 40034, 80068, 122807, 245614, 491228, 4543859, 9087718, 18175436]

約数ペア:

[(1, 18175436), (2, 9087718), (4, 4543859), (37, 491228), (74, 245614), (148, 122807), (227, 80068), (454, 40034), (541, 33596), (908, 20017), (1082, 16798), (2164, 8399)]