18105025

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:130

約数の個数: 27

約数和(自身を含む): 24120201

約数和(自身を除く): 6015176

約数列:

[1, 5, 23, 25, 37, 115, 185, 529, 575, 851, 925, 1369, 2645, 4255, 6845, 13225, 19573, 21275, 31487, 34225, 97865, 157435, 489325, 724201, 787175, 3621005, 18105025]

約数ペア:

[(1, 18105025), (5, 3621005), (23, 787175), (25, 724201), (37, 489325), (115, 157435), (185, 97865), (529, 34225), (575, 31487), (851, 21275), (925, 19573), (1369, 13225), (2645, 6845)]