12688865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19081}}^1$

素因数の和:19112

約数の個数: 16

約数和(自身を含む): 18318720

約数和(自身を除く): 5629855

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 19081, 95405, 133567, 362539, 667835, 1812695, 2537773, 12688865]

約数ペア:

[(1, 12688865), (5, 2537773), (7, 1812695), (19, 667835), (35, 362539), (95, 133567), (133, 95405), (665, 19081)]