19666503

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10259}}^1$

素因数の和:10339

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 9882297

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10259, 30777, 92331, 276993, 728389, 2185167, 6555501, 19666503]

約数ペア:

[(1, 19666503), (3, 6555501), (9, 2185167), (27, 728389), (71, 276993), (213, 92331), (639, 30777), (1917, 10259)]