18509773779

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4258057}}^1$

素因数の和:4258096

約数の個数: 32

約数和(自身を含む): 32701885440

約数和(自身を除く): 14192111661

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4258057, 12774171, 29806399, 38322513, 89419197, 97935311, 114967539, 268257591, 293805933, 685547177, 804772773, 881417799, 2056641531, 2644253397, 6169924593, 18509773779]

約数ペア:

[(1, 18509773779), (3, 6169924593), (7, 2644253397), (9, 2056641531), (21, 881417799), (23, 804772773), (27, 685547177), (63, 293805933), (69, 268257591), (161, 114967539), (189, 97935311), (207, 89419197), (483, 38322513), (621, 29806399), (1449, 12774171), (4347, 4258057)]