19665999

素因数分解:

$3^2\times {\mathrm{557}}^1\times {\mathrm{3923}}^1$

素因数の和:4486

約数の個数: 12

約数和(自身を含む): 28464696

約数和(自身を除く): 8798697

約数列:

[1, 3, 9, 557, 1671, 3923, 5013, 11769, 35307, 2185111, 6555333, 19665999]

約数ペア:

[(1, 19665999), (3, 6555333), (9, 2185111), (557, 35307), (1671, 11769), (3923, 5013)]