18470619

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40241}}^1$

素因数の和:40267

約数の個数: 16

約数和(自身を含む): 28974240

約数和(自身を除く): 10503621

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40241, 120723, 362169, 684097, 1086507, 2052291, 6156873, 18470619]

約数ペア:

[(1, 18470619), (3, 6156873), (9, 2052291), (17, 1086507), (27, 684097), (51, 362169), (153, 120723), (459, 40241)]