18696625

素因数分解:

$5^3\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 23454288

約数和(自身を除く): 4757663

約数列:

[1, 5, 25, 125, 373, 401, 1865, 2005, 9325, 10025, 46625, 50125, 149573, 747865, 3739325, 18696625]

約数ペア:

[(1, 18696625), (5, 3739325), (25, 747865), (125, 149573), (373, 50125), (401, 46625), (1865, 10025), (2005, 9325)]