18664431

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 26105856

約数和(自身を除く): 7441425

約数列:

[1, 3, 23, 69, 223, 669, 1213, 3639, 5129, 15387, 27899, 83697, 270499, 811497, 6221477, 18664431]

約数ペア:

[(1, 18664431), (3, 6221477), (23, 811497), (69, 270499), (223, 83697), (669, 27899), (1213, 15387), (3639, 5129)]