18874037

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{479}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 23331840

約数和(自身を除く): 4457803

約数列:

[1, 7, 13, 91, 433, 479, 3031, 3353, 5629, 6227, 39403, 43589, 207407, 1451849, 2696291, 18874037]

約数ペア:

[(1, 18874037), (7, 2696291), (13, 1451849), (91, 207407), (433, 43589), (479, 39403), (3031, 6227), (3353, 5629)]