19666863

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{95009}}^1$

素因数の和:95038

約数の個数: 12

約数和(自身を含む): 29643120

約数和(自身を除く): 9976257

約数列:

[1, 3, 9, 23, 69, 207, 95009, 285027, 855081, 2185207, 6555621, 19666863]

約数ペア:

[(1, 19666863), (3, 6555621), (9, 2185207), (23, 855081), (69, 285027), (207, 95009)]