18420806079

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 30126096000

約数和(自身を除く): 11705289921

約数列:

[1, 3, 9, 13, 27, 39, 81, 113, 117, 149, 339, 351, 447, 1017, 1039, 1053, 1341, 1469, 1937, 3051, 3117, 4023, 4407, 5811, 9153, 9351, 12069, 13221, 13507, 16837, 17433, 28053, 39663, 40521, 50511, 52299, 84159, 117407, 118989, 121563, 151533, 154811, 156897, 218881, 352221, 364689, 454599, 464433, 656643, 1056663, 1094067, 1363797, 1393299, 1526291, 1969929, 2012543, 3169989, 4179897, 4578873, 5909787, 6037629, 9509967, 12539691, 13736619, 17493643, 17729361, 18112887, 41209857, 52480929, 54338661, 123629571, 157442787, 163015983, 227417359, 472328361, 682252077, 1416985083, 2046756231, 6140268693, 18420806079]

約数ペア:

[(1, 18420806079), (3, 6140268693), (9, 2046756231), (13, 1416985083), (27, 682252077), (39, 472328361), (81, 227417359), (113, 163015983), (117, 157442787), (149, 123629571), (339, 54338661), (351, 52480929), (447, 41209857), (1017, 18112887), (1039, 17729361), (1053, 17493643), (1341, 13736619), (1469, 12539691), (1937, 9509967), (3051, 6037629), (3117, 5909787), (4023, 4578873), (4407, 4179897), (5811, 3169989), (9153, 2012543), (9351, 1969929), (12069, 1526291), (13221, 1393299), (13507, 1363797), (16837, 1094067), (17433, 1056663), (28053, 656643), (39663, 464433), (40521, 454599), (50511, 364689), (52299, 352221), (84159, 218881), (117407, 156897), (118989, 154811), (121563, 151533)]