18835497

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:1970

約数の個数: 20

約数和(自身を含む): 28374016

約数和(自身を除く): 9538519

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1831, 3429, 5493, 10287, 16479, 49437, 148311, 232537, 697611, 2092833, 6278499, 18835497]

約数ペア:

[(1, 18835497), (3, 6278499), (9, 2092833), (27, 697611), (81, 232537), (127, 148311), (381, 49437), (1143, 16479), (1831, 10287), (3429, 5493)]