18329739

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{941}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 25200384

約数和(自身を除く): 6870645

約数列:

[1, 3, 43, 129, 151, 453, 941, 2823, 6493, 19479, 40463, 121389, 142091, 426273, 6109913, 18329739]

約数ペア:

[(1, 18329739), (3, 6109913), (43, 426273), (129, 142091), (151, 121389), (453, 40463), (941, 19479), (2823, 6493)]