18139778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2837}}^1$

素因数の和:3001

約数の個数: 16

約数和(自身を含む): 28607040

約数和(自身を除く): 10467262

約数列:

[1, 2, 23, 46, 139, 278, 2837, 3197, 5674, 6394, 65251, 130502, 394343, 788686, 9069889, 18139778]

約数ペア:

[(1, 18139778), (2, 9069889), (23, 788686), (46, 394343), (139, 130502), (278, 65251), (2837, 6394), (3197, 5674)]