19621359

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6547}}^1$

素因数の和:6596

約数の個数: 20

約数和(自身を含む): 30107704

約数和(自身を除く): 10486345

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6547, 19641, 58923, 176769, 242239, 530307, 726717, 2180151, 6540453, 19621359]

約数ペア:

[(1, 19621359), (3, 6540453), (9, 2180151), (27, 726717), (37, 530307), (81, 242239), (111, 176769), (333, 58923), (999, 19641), (2997, 6547)]