18716886

素因数分解:

$2^1\times 3^3\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 23062314

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 271, 542, 813, 1279, 1626, 2439, 2558, 3837, 4878, 7317, 7674, 11511, 14634, 23022, 34533, 69066, 346609, 693218, 1039827, 2079654, 3119481, 6238962, 9358443, 18716886]

約数ペア:

[(1, 18716886), (2, 9358443), (3, 6238962), (6, 3119481), (9, 2079654), (18, 1039827), (27, 693218), (54, 346609), (271, 69066), (542, 34533), (813, 23022), (1279, 14634), (1626, 11511), (2439, 7674), (2558, 7317), (3837, 4878)]