18195759

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5479}}^1$

素因数の和:5532

約数の個数: 20

約数和(自身を含む): 27849360

約数和(自身を除く): 9653601

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5479, 16437, 49311, 147933, 224639, 443799, 673917, 2021751, 6065253, 18195759]

約数ペア:

[(1, 18195759), (3, 6065253), (9, 2021751), (27, 673917), (41, 443799), (81, 224639), (123, 147933), (369, 49311), (1107, 16437), (3321, 5479)]