18809868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20357}}^1$

素因数の和:20382

約数の個数: 48

約数和(自身を含む): 54722304

約数和(自身を除く): 35912436

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, 20357, 40714, 61071, 81428, 122142, 142499, 223927, 244284, 284998, 427497, 447854, 569996, 671781, 854994, 895708, 1343562, 1567489, 1709988, 2687124, 3134978, 4702467, 6269956, 9404934, 18809868]

約数ペア:

[(1, 18809868), (2, 9404934), (3, 6269956), (4, 4702467), (6, 3134978), (7, 2687124), (11, 1709988), (12, 1567489), (14, 1343562), (21, 895708), (22, 854994), (28, 671781), (33, 569996), (42, 447854), (44, 427497), (66, 284998), (77, 244284), (84, 223927), (132, 142499), (154, 122142), (231, 81428), (308, 61071), (462, 40714), (924, 20357)]