18076961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 3811039

約数列:

[1, 7, 19, 133, 199, 683, 1393, 3781, 4781, 12977, 26467, 90839, 135917, 951419, 2582423, 18076961]

約数ペア:

[(1, 18076961), (7, 2582423), (19, 951419), (133, 135917), (199, 90839), (683, 26467), (1393, 12977), (3781, 4781)]