18578868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20107}}^1$

素因数の和:20132

約数の個数: 48

約数和(自身を含む): 54050304

約数和(自身を除く): 35471436

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20107, 40214, 60321, 80428, 120642, 140749, 221177, 241284, 281498, 422247, 442354, 562996, 663531, 844494, 884708, 1327062, 1548239, 1688988, 2654124, 3096478, 4644717, 6192956, 9289434, 18578868]

約数ペア:

[(1, 18578868), (2, 9289434), (3, 6192956), (4, 4644717), (6, 3096478), (7, 2654124), (11, 1688988), (12, 1548239), (14, 1327062), (21, 884708), (22, 844494), (28, 663531), (33, 562996), (42, 442354), (44, 422247), (66, 281498), (77, 241284), (84, 221177), (132, 140749), (154, 120642), (231, 80428), (308, 60321), (462, 40214), (924, 20107)]