18722661

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12659}}^1$

素因数の和:12708

約数の個数: 16

約数和(自身を含む): 27345600

約数和(自身を除く): 8622939

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 12659, 37977, 215203, 367111, 645609, 1101333, 6240887, 18722661]

約数ペア:

[(1, 18722661), (3, 6240887), (17, 1101333), (29, 645609), (51, 367111), (87, 215203), (493, 37977), (1479, 12659)]