18079085

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 22228992

約数和(自身を除く): 4149907

約数列:

[1, 5, 71, 127, 355, 401, 635, 2005, 9017, 28471, 45085, 50927, 142355, 254635, 3615817, 18079085]

約数ペア:

[(1, 18079085), (5, 3615817), (71, 254635), (127, 142355), (355, 50927), (401, 45085), (635, 28471), (2005, 9017)]