18625640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42331}}^1$

素因数の和:42353

約数の個数: 32

約数和(自身を含む): 45718560

約数和(自身を除く): 27092920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42331, 84662, 169324, 211655, 338648, 423310, 465641, 846620, 931282, 1693240, 1862564, 2328205, 3725128, 4656410, 9312820, 18625640]

約数ペア:

[(1, 18625640), (2, 9312820), (4, 4656410), (5, 3725128), (8, 2328205), (10, 1862564), (11, 1693240), (20, 931282), (22, 846620), (40, 465641), (44, 423310), (55, 338648), (88, 211655), (110, 169324), (220, 84662), (440, 42331)]