18629375

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:788

約数の個数: 20

約数和(自身を含む): 23879856

約数和(自身を除く): 5250481

約数列:

[1, 5, 25, 41, 125, 205, 625, 727, 1025, 3635, 5125, 18175, 25625, 29807, 90875, 149035, 454375, 745175, 3725875, 18629375]

約数ペア:

[(1, 18629375), (5, 3725875), (25, 745175), (41, 454375), (125, 149035), (205, 90875), (625, 29807), (727, 25625), (1025, 18175), (3635, 5125)]