19819111683

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{81761}}^1$

素因数の和:81892

約数の個数: 48

約数和(自身を含む): 32884022304

約数和(自身を除く): 13064910621

約数列:

[1, 3, 7, 17, 21, 49, 51, 97, 119, 147, 291, 357, 679, 833, 1649, 2037, 2499, 4753, 4947, 11543, 14259, 34629, 80801, 81761, 242403, 245283, 572327, 1389937, 1716981, 4006289, 4169811, 7930817, 9729559, 12018867, 23792451, 29188677, 55515719, 68106913, 134823889, 166547157, 204320739, 388610033, 404471667, 943767223, 1165830099, 2831301669, 6606370561, 19819111683]

約数ペア:

[(1, 19819111683), (3, 6606370561), (7, 2831301669), (17, 1165830099), (21, 943767223), (49, 404471667), (51, 388610033), (97, 204320739), (119, 166547157), (147, 134823889), (291, 68106913), (357, 55515719), (679, 29188677), (833, 23792451), (1649, 12018867), (2037, 9729559), (2499, 7930817), (4753, 4169811), (4947, 4006289), (11543, 1716981), (14259, 1389937), (34629, 572327), (80801, 245283), (81761, 242403)]