18008635

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 22371552

約数和(自身を除く): 4362917

約数列:

[1, 5, 41, 107, 205, 535, 821, 4105, 4387, 21935, 33661, 87847, 168305, 439235, 3601727, 18008635]

約数ペア:

[(1, 18008635), (5, 3601727), (41, 439235), (107, 168305), (205, 87847), (535, 33661), (821, 21935), (4105, 4387)]