18628764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20186

約数の個数: 48

約数和(自身を含む): 54195456

約数和(自身を除く): 35566692

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20161, 40322, 60483, 80644, 120966, 141127, 221771, 241932, 282254, 423381, 443542, 564508, 665313, 846762, 887084, 1330626, 1552397, 1693524, 2661252, 3104794, 4657191, 6209588, 9314382, 18628764]

約数ペア:

[(1, 18628764), (2, 9314382), (3, 6209588), (4, 4657191), (6, 3104794), (7, 2661252), (11, 1693524), (12, 1552397), (14, 1330626), (21, 887084), (22, 846762), (28, 665313), (33, 564508), (42, 443542), (44, 423381), (66, 282254), (77, 241932), (84, 221771), (132, 141127), (154, 120966), (231, 80644), (308, 60483), (462, 40322), (924, 20161)]