13798085

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20749}}^1$

素因数の和:20780

約数の個数: 16

約数和(自身を含む): 19920000

約数和(自身を除く): 6121915

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 20749, 103745, 145243, 394231, 726215, 1971155, 2759617, 13798085]

約数ペア:

[(1, 13798085), (5, 2759617), (7, 1971155), (19, 726215), (35, 394231), (95, 145243), (133, 103745), (665, 20749)]