18484540

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8179}}^1$

素因数の和:8301

約数の個数: 24

約数和(自身を含む): 39165840

約数和(自身を除く): 20681300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8179, 16358, 32716, 40895, 81790, 163580, 924227, 1848454, 3696908, 4621135, 9242270, 18484540]

約数ペア:

[(1, 18484540), (2, 9242270), (4, 4621135), (5, 3696908), (10, 1848454), (20, 924227), (113, 163580), (226, 81790), (452, 40895), (565, 32716), (1130, 16358), (2260, 8179)]