18304391

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{19661}}^1$

素因数の和:19694

約数の個数: 12

約数和(自身を含む): 22414680

約数和(自身を除く): 4110289

約数列:

[1, 7, 19, 49, 133, 931, 19661, 137627, 373559, 963389, 2614913, 18304391]

約数ペア:

[(1, 18304391), (7, 2614913), (19, 963389), (49, 373559), (133, 137627), (931, 19661)]