18690507

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{1907}}^1$

素因数の和:1941

約数の個数: 30

約数和(自身を含む): 30705444

約数和(自身を除く): 12014937

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 1907, 3267, 5721, 9801, 17163, 20977, 51489, 62931, 154467, 188793, 230747, 566379, 692241, 1699137, 2076723, 6230169, 18690507]

約数ペア:

[(1, 18690507), (3, 6230169), (9, 2076723), (11, 1699137), (27, 692241), (33, 566379), (81, 230747), (99, 188793), (121, 154467), (297, 62931), (363, 51489), (891, 20977), (1089, 17163), (1907, 9801), (3267, 5721)]