18939669

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4673}}^1$

素因数の和:4876

約数の個数: 16

約数和(自身を含む): 29016192

約数和(自身を除く): 10076523

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4673, 14019, 32711, 98133, 901889, 2705667, 6313223, 18939669]

約数ペア:

[(1, 18939669), (3, 6313223), (7, 2705667), (21, 901889), (193, 98133), (579, 32711), (1351, 14019), (4053, 4673)]