18159740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53411}}^1$

素因数の和:53437

約数の個数: 24

約数和(自身を含む): 40379472

約数和(自身を除く): 22219732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53411, 106822, 213644, 267055, 534110, 907987, 1068220, 1815974, 3631948, 4539935, 9079870, 18159740]

約数ペア:

[(1, 18159740), (2, 9079870), (4, 4539935), (5, 3631948), (10, 1815974), (17, 1068220), (20, 907987), (34, 534110), (68, 267055), (85, 213644), (170, 106822), (340, 53411)]