20180858868

素因数分解:

$2^2\times 3^2\times {\mathrm{1019}}^1\times {\mathrm{550127}}^1$

素因数の和:551156

約数の個数: 36

約数和(自身を含む): 51062880960

約数和(自身を除く): 30882022092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1019, 2038, 3057, 4076, 6114, 9171, 12228, 18342, 36684, 550127, 1100254, 1650381, 2200508, 3300762, 4951143, 6601524, 9902286, 19804572, 560579413, 1121158826, 1681738239, 2242317652, 3363476478, 5045214717, 6726952956, 10090429434, 20180858868]

約数ペア:

[(1, 20180858868), (2, 10090429434), (3, 6726952956), (4, 5045214717), (6, 3363476478), (9, 2242317652), (12, 1681738239), (18, 1121158826), (36, 560579413), (1019, 19804572), (2038, 9902286), (3057, 6601524), (4076, 4951143), (6114, 3300762), (9171, 2200508), (12228, 1650381), (18342, 1100254), (36684, 550127)]