18345245

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 22785840

約数和(自身を除く): 4440595

約数列:

[1, 5, 41, 109, 205, 545, 821, 4105, 4469, 22345, 33661, 89489, 168305, 447445, 3669049, 18345245]

約数ペア:

[(1, 18345245), (5, 3669049), (41, 447445), (109, 168305), (205, 89489), (545, 33661), (821, 22345), (4105, 4469)]