18678657

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{839}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 25683840

約数和(自身を除く): 7005183

約数列:

[1, 3, 41, 123, 181, 543, 839, 2517, 7421, 22263, 34399, 103197, 151859, 455577, 6226219, 18678657]

約数ペア:

[(1, 18678657), (3, 6226219), (41, 455577), (123, 151859), (181, 103197), (543, 34399), (839, 22263), (2517, 7421)]