20181567128

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23143999}}^1$

素因数の和:23144114

約数の個数: 16

約数和(自身を含む): 38187600000

約数和(自身を除く): 18006032872

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23143999, 46287998, 92575996, 185151992, 2522695891, 5045391782, 10090783564, 20181567128]

約数ペア:

[(1, 20181567128), (2, 10090783564), (4, 5045391782), (8, 2522695891), (109, 185151992), (218, 92575996), (436, 46287998), (872, 23143999)]