19531881

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9157}}^1$

素因数の和:9245

約数の個数: 16

約数和(自身を含む): 29305600

約数和(自身を除く): 9773719

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9157, 27471, 82413, 247239, 723403, 2170209, 6510627, 19531881]

約数ペア:

[(1, 19531881), (3, 6510627), (9, 2170209), (27, 723403), (79, 247239), (237, 82413), (711, 27471), (2133, 9157)]