18018133

素因数分解:

$7^3\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:553

約数の個数: 16

約数和(自身を含む): 21225600

約数和(自身を除く): 3207467

約数列:

[1, 7, 49, 131, 343, 401, 917, 2807, 6419, 19649, 44933, 52531, 137543, 367717, 2574019, 18018133]

約数ペア:

[(1, 18018133), (7, 2574019), (49, 367717), (131, 137543), (343, 52531), (401, 44933), (917, 19649), (2807, 6419)]