18954620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8387}}^1$

素因数の和:8509

約数の個数: 24

約数和(自身を含む): 40161744

約数和(自身を除く): 21207124

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8387, 16774, 33548, 41935, 83870, 167740, 947731, 1895462, 3790924, 4738655, 9477310, 18954620]

約数ペア:

[(1, 18954620), (2, 9477310), (4, 4738655), (5, 3790924), (10, 1895462), (20, 947731), (113, 167740), (226, 83870), (452, 41935), (565, 33548), (1130, 16774), (2260, 8387)]