19785627

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8423}}^1$

素因数の和:8464

約数の個数: 20

約数和(自身を含む): 30579120

約数和(自身を除く): 10793493

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8423, 25269, 75807, 227421, 244267, 682263, 732801, 2198403, 6595209, 19785627]

約数ペア:

[(1, 19785627), (3, 6595209), (9, 2198403), (27, 732801), (29, 682263), (81, 244267), (87, 227421), (261, 75807), (783, 25269), (2349, 8423)]