20180828530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{4651}}^1$

素因数の和:5275

約数の個数: 64

約数和(自身を含む): 39248737920

約数和(自身を除く): 19067909390

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 557, 779, 1114, 1558, 2785, 3895, 4651, 5570, 7790, 9302, 10583, 21166, 22837, 23255, 45674, 46510, 52915, 88369, 105830, 114185, 176738, 190691, 228370, 381382, 433903, 441845, 867806, 883690, 953455, 1906910, 2169515, 2590607, 3623129, 4339030, 5181214, 7246258, 12953035, 18115645, 25906070, 36231290, 49221533, 98443066, 106214887, 212429774, 246107665, 492215330, 531074435, 1062148870, 2018082853, 4036165706, 10090414265, 20180828530]

約数ペア:

[(1, 20180828530), (2, 10090414265), (5, 4036165706), (10, 2018082853), (19, 1062148870), (38, 531074435), (41, 492215330), (82, 246107665), (95, 212429774), (190, 106214887), (205, 98443066), (410, 49221533), (557, 36231290), (779, 25906070), (1114, 18115645), (1558, 12953035), (2785, 7246258), (3895, 5181214), (4651, 4339030), (5570, 3623129), (7790, 2590607), (9302, 2169515), (10583, 1906910), (21166, 953455), (22837, 883690), (23255, 867806), (45674, 441845), (46510, 433903), (52915, 381382), (88369, 228370), (105830, 190691), (114185, 176738)]