18656163

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1657}}^1$

素因数の和:1808

約数の個数: 20

約数和(自身を含む): 28086520

約数和(自身を除く): 9430357

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1657, 3753, 4971, 11259, 14913, 44739, 134217, 230323, 690969, 2072907, 6218721, 18656163]

約数ペア:

[(1, 18656163), (3, 6218721), (9, 2072907), (27, 690969), (81, 230323), (139, 134217), (417, 44739), (1251, 14913), (1657, 11259), (3753, 4971)]