19703709

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31729}}^1$

素因数の和:31761

約数の個数: 16

約数和(自身を含む): 30460800

約数和(自身を除く): 10757091

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 31729, 95187, 285561, 729767, 856683, 2189301, 6567903, 19703709]

約数ペア:

[(1, 19703709), (3, 6567903), (9, 2189301), (23, 856683), (27, 729767), (69, 285561), (207, 95187), (621, 31729)]