18861025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{18401}}^1$

素因数の和:18452

約数の個数: 12

約数和(自身を含む): 23959404

約数和(自身を除く): 5098379

約数列:

[1, 5, 25, 41, 205, 1025, 18401, 92005, 460025, 754441, 3772205, 18861025]

約数ペア:

[(1, 18861025), (5, 3772205), (25, 754441), (41, 460025), (205, 92005), (1025, 18401)]