19201585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17377}}^1$

素因数の和:17412

約数の個数: 16

約数和(自身を含む): 26275536

約数和(自身を除く): 7073951

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17377, 86885, 225901, 295409, 1129505, 1477045, 3840317, 19201585]

約数ペア:

[(1, 19201585), (5, 3840317), (13, 1477045), (17, 1129505), (65, 295409), (85, 225901), (221, 86885), (1105, 17377)]