19941909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3137}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 28819392

約数和(自身を除く): 8877483

約数列:

[1, 3, 13, 39, 163, 489, 2119, 3137, 6357, 9411, 40781, 122343, 511331, 1533993, 6647303, 19941909]

約数ペア:

[(1, 19941909), (3, 6647303), (13, 1533993), (39, 511331), (163, 122343), (489, 40781), (2119, 9411), (3137, 6357)]