19985343

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4931}}^1$

素因数の和:5134

約数の個数: 16

約数和(自身を含む): 30617856

約数和(自身を除く): 10632513

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4931, 14793, 34517, 103551, 951683, 2855049, 6661781, 19985343]

約数ペア:

[(1, 19985343), (3, 6661781), (7, 2855049), (21, 951683), (193, 103551), (579, 34517), (1351, 14793), (4053, 4931)]