18641799

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2729}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12807801

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2729, 6831, 8187, 24561, 30019, 62767, 73683, 90057, 188301, 270171, 564903, 690437, 810513, 1694709, 2071311, 6213933, 18641799]

約数ペア:

[(1, 18641799), (3, 6213933), (9, 2071311), (11, 1694709), (23, 810513), (27, 690437), (33, 564903), (69, 270171), (99, 188301), (207, 90057), (253, 73683), (297, 62767), (621, 30019), (759, 24561), (2277, 8187), (2729, 6831)]