18522125

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 4930291

約数列:

[1, 5, 25, 71, 125, 355, 1775, 2087, 8875, 10435, 52175, 148177, 260875, 740885, 3704425, 18522125]

約数ペア:

[(1, 18522125), (5, 3704425), (25, 740885), (71, 260875), (125, 148177), (355, 52175), (1775, 10435), (2087, 8875)]