18940025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 25586904

約数和(自身を除く): 6646879

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 577, 1313, 2525, 2885, 6565, 7501, 14425, 32825, 37505, 58277, 187525, 291385, 757601, 1456925, 3788005, 18940025]

約数ペア:

[(1, 18940025), (5, 3788005), (13, 1456925), (25, 757601), (65, 291385), (101, 187525), (325, 58277), (505, 37505), (577, 32825), (1313, 14425), (2525, 7501), (2885, 6565)]