19242027

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7103}}^1$

素因数の和:7159

約数の個数: 24

約数和(自身を含む): 32507904

約数和(自身を除く): 13265877

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7103, 21309, 49721, 63927, 149163, 305429, 447489, 916287, 2138003, 2748861, 6414009, 19242027]

約数ペア:

[(1, 19242027), (3, 6414009), (7, 2748861), (9, 2138003), (21, 916287), (43, 447489), (63, 305429), (129, 149163), (301, 63927), (387, 49721), (903, 21309), (2709, 7103)]