19180581

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1129}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 29289600

約数和(自身を除く): 10109019

約数列:

[1, 3, 7, 21, 809, 1129, 2427, 3387, 5663, 7903, 16989, 23709, 913361, 2740083, 6393527, 19180581]

約数ペア:

[(1, 19180581), (3, 6393527), (7, 2740083), (21, 913361), (809, 23709), (1129, 16989), (2427, 7903), (3387, 5663)]