18668679

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{709}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 25491840

約数和(自身を除く): 6823161

約数列:

[1, 3, 67, 131, 201, 393, 709, 2127, 8777, 26331, 47503, 92879, 142509, 278637, 6222893, 18668679]

約数ペア:

[(1, 18668679), (3, 6222893), (67, 278637), (131, 142509), (201, 92879), (393, 47503), (709, 26331), (2127, 8777)]