18817703

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1710937

約数列:

[1, 23, 43, 53, 359, 989, 1219, 2279, 8257, 15437, 19027, 52417, 355051, 437621, 818161, 18817703]

約数ペア:

[(1, 18817703), (23, 818161), (43, 437621), (53, 355051), (359, 52417), (989, 19027), (1219, 15437), (2279, 8257)]