18628071

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7331}}^1$

素因数の和:7363

約数の個数: 24

約数和(自身を含む): 31204992

約数和(自身を除く): 12576921

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7331, 21993, 51317, 80641, 153951, 241923, 564487, 887051, 1693461, 2661153, 6209357, 18628071]

約数ペア:

[(1, 18628071), (3, 6209357), (7, 2661153), (11, 1693461), (21, 887051), (33, 564487), (77, 241923), (121, 153951), (231, 80641), (363, 51317), (847, 21993), (2541, 7331)]