18423125

素因数分解:

$5^4\times 7^1\times {\mathrm{4211}}^1$

素因数の和:4238

約数の個数: 20

約数和(自身を含む): 26316576

約数和(自身を除く): 7893451

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4211, 4375, 21055, 29477, 105275, 147385, 526375, 736925, 2631875, 3684625, 18423125]

約数ペア:

[(1, 18423125), (5, 3684625), (7, 2631875), (25, 736925), (35, 526375), (125, 147385), (175, 105275), (625, 29477), (875, 21055), (4211, 4375)]