18778883145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 35518279680

約数和(自身を除く): 16739396535

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 59, 85, 165, 177, 187, 233, 255, 295, 487, 561, 649, 699, 885, 935, 1003, 1165, 1461, 1947, 2435, 2563, 2805, 3009, 3245, 3495, 3961, 5015, 5357, 7305, 7689, 8279, 9735, 11033, 11883, 12815, 13747, 15045, 16071, 19805, 24837, 26785, 28733, 33099, 38445, 41241, 41395, 43571, 55165, 59415, 68735, 80355, 86199, 91069, 113471, 124185, 130713, 143665, 151217, 165495, 206205, 217855, 233699, 273207, 316063, 340413, 430995, 453651, 455345, 488461, 567355, 653565, 701097, 756085, 948189, 1168495, 1248181, 1366035, 1465383, 1580315, 1702065, 1929007, 2268255, 2442305, 2570689, 3505485, 3744543, 4740945, 5373071, 5787021, 6240905, 6694789, 7326915, 7712067, 9645035, 12853445, 16119213, 18722715, 20084367, 21219077, 26865355, 28935105, 33473945, 38560335, 63657231, 73642679, 80596065, 100421835, 106095385, 113811413, 220928037, 318286155, 341434239, 368213395, 569057065, 1104640185, 1251925543, 1707171195, 3755776629, 6259627715, 18778883145]

約数ペア:

[(1, 18778883145), (3, 6259627715), (5, 3755776629), (11, 1707171195), (15, 1251925543), (17, 1104640185), (33, 569057065), (51, 368213395), (55, 341434239), (59, 318286155), (85, 220928037), (165, 113811413), (177, 106095385), (187, 100421835), (233, 80596065), (255, 73642679), (295, 63657231), (487, 38560335), (561, 33473945), (649, 28935105), (699, 26865355), (885, 21219077), (935, 20084367), (1003, 18722715), (1165, 16119213), (1461, 12853445), (1947, 9645035), (2435, 7712067), (2563, 7326915), (2805, 6694789), (3009, 6240905), (3245, 5787021), (3495, 5373071), (3961, 4740945), (5015, 3744543), (5357, 3505485), (7305, 2570689), (7689, 2442305), (8279, 2268255), (9735, 1929007), (11033, 1702065), (11883, 1580315), (12815, 1465383), (13747, 1366035), (15045, 1248181), (16071, 1168495), (19805, 948189), (24837, 756085), (26785, 701097), (28733, 653565), (33099, 567355), (38445, 488461), (41241, 455345), (41395, 453651), (43571, 430995), (55165, 340413), (59415, 316063), (68735, 273207), (80355, 233699), (86199, 217855), (91069, 206205), (113471, 165495), (124185, 151217), (130713, 143665)]