18229625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3613

約数の個数: 16

約数和(自身を含む): 23312016

約数和(自身を除く): 5082391

約数列:

[1, 5, 25, 41, 125, 205, 1025, 3557, 5125, 17785, 88925, 145837, 444625, 729185, 3645925, 18229625]

約数ペア:

[(1, 18229625), (5, 3645925), (25, 729185), (41, 444625), (125, 145837), (205, 88925), (1025, 17785), (3557, 5125)]