18784629

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 29370432

約数和(自身を除く): 10585803

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3361, 5589, 10083, 30249, 77303, 90747, 231909, 272241, 695727, 816723, 2087181, 6261543, 18784629]

約数ペア:

[(1, 18784629), (3, 6261543), (9, 2087181), (23, 816723), (27, 695727), (69, 272241), (81, 231909), (207, 90747), (243, 77303), (621, 30249), (1863, 10083), (3361, 5589)]