18624151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 23156224

約数和(自身を除く): 4532073

約数列:

[1, 7, 13, 91, 103, 721, 1339, 1987, 9373, 13909, 25831, 180817, 204661, 1432627, 2660593, 18624151]

約数ペア:

[(1, 18624151), (7, 2660593), (13, 1432627), (91, 204661), (103, 180817), (721, 25831), (1339, 13909), (1987, 9373)]