18960237

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2963}}^1$

素因数の和:3054

約数の個数: 20

約数和(自身を含む): 28691520

約数和(自身を除く): 9731283

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2963, 6399, 8889, 26667, 80001, 234077, 240003, 702231, 2106693, 6320079, 18960237]

約数ペア:

[(1, 18960237), (3, 6320079), (9, 2106693), (27, 702231), (79, 240003), (81, 234077), (237, 80001), (711, 26667), (2133, 8889), (2963, 6399)]