2018439730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4637}}^1$

素因数の和:4771

約数の個数: 64

約数和(自身を含む): 4007232000

約数和(自身を除く): 1988792270

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 79, 95, 145, 158, 190, 290, 395, 551, 790, 1102, 1501, 2291, 2755, 3002, 4582, 4637, 5510, 7505, 9274, 11455, 15010, 22910, 23185, 43529, 46370, 87058, 88103, 134473, 176206, 217645, 268946, 366323, 435290, 440515, 672365, 732646, 881030, 1344730, 1831615, 2554987, 3663230, 5109974, 6960137, 10623367, 12774935, 13920274, 21246734, 25549870, 34800685, 53116835, 69601370, 106233670, 201843973, 403687946, 1009219865, 2018439730]

約数ペア:

[(1, 2018439730), (2, 1009219865), (5, 403687946), (10, 201843973), (19, 106233670), (29, 69601370), (38, 53116835), (58, 34800685), (79, 25549870), (95, 21246734), (145, 13920274), (158, 12774935), (190, 10623367), (290, 6960137), (395, 5109974), (551, 3663230), (790, 2554987), (1102, 1831615), (1501, 1344730), (2291, 881030), (2755, 732646), (3002, 672365), (4582, 440515), (4637, 435290), (5510, 366323), (7505, 268946), (9274, 217645), (11455, 176206), (15010, 134473), (22910, 88103), (23185, 87058), (43529, 46370)]