18891351

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{15101}}^1$

素因数の和:15246

約数の個数: 12

約数和(自身を含む): 27485640

約数和(自身を除く): 8594289

約数列:

[1, 3, 9, 139, 417, 1251, 15101, 45303, 135909, 2099039, 6297117, 18891351]

約数ペア:

[(1, 18891351), (3, 6297117), (9, 2099039), (139, 135909), (417, 45303), (1251, 15101)]