18671107

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29311}}^1$

素因数の和:29338

約数の個数: 12

約数和(自身を含む): 23390976

約数和(自身を除く): 4719869

約数列:

[1, 7, 13, 49, 91, 637, 29311, 205177, 381043, 1436239, 2667301, 18671107]

約数ペア:

[(1, 18671107), (7, 2667301), (13, 1436239), (49, 381043), (91, 205177), (637, 29311)]