18947435

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1319}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 26088480

約数和(自身を除く): 7141045

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1319, 2873, 6595, 14365, 17147, 22423, 85735, 112115, 222911, 291499, 1114555, 1457495, 3789487, 18947435]

約数ペア:

[(1, 18947435), (5, 3789487), (13, 1457495), (17, 1114555), (65, 291499), (85, 222911), (169, 112115), (221, 85735), (845, 22423), (1105, 17147), (1319, 14365), (2873, 6595)]