19218008

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{22039}}^1$

素因数の和:22154

約数の個数: 16

約数和(自身を含む): 36366000

約数和(自身を除く): 17147992

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 22039, 44078, 88156, 176312, 2402251, 4804502, 9609004, 19218008]

約数ペア:

[(1, 19218008), (2, 9609004), (4, 4804502), (8, 2402251), (109, 176312), (218, 88156), (436, 44078), (872, 22039)]