17990406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2097

約数の個数: 48

約数和(自身を含む): 45197568

約数和(自身を除く): 27207162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2011, 2982, 4022, 4473, 6033, 8946, 12066, 14077, 18099, 28154, 36198, 42231, 84462, 126693, 142781, 253386, 285562, 428343, 856686, 999467, 1285029, 1998934, 2570058, 2998401, 5996802, 8995203, 17990406]

約数ペア:

[(1, 17990406), (2, 8995203), (3, 5996802), (6, 2998401), (7, 2570058), (9, 1998934), (14, 1285029), (18, 999467), (21, 856686), (42, 428343), (63, 285562), (71, 253386), (126, 142781), (142, 126693), (213, 84462), (426, 42231), (497, 36198), (639, 28154), (994, 18099), (1278, 14077), (1491, 12066), (2011, 8946), (2982, 6033), (4022, 4473)]