18204460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31387}}^1$

素因数の和:31425

約数の個数: 24

約数和(自身を含む): 39548880

約数和(自身を除く): 21344420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31387, 62774, 125548, 156935, 313870, 627740, 910223, 1820446, 3640892, 4551115, 9102230, 18204460]

約数ペア:

[(1, 18204460), (2, 9102230), (4, 4551115), (5, 3640892), (10, 1820446), (20, 910223), (29, 627740), (58, 313870), (116, 156935), (145, 125548), (290, 62774), (580, 31387)]