19956567

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 16

約数和(自身を含む): 27265248

約数和(自身を除く): 7308681

約数列:

[1, 3, 53, 159, 313, 401, 939, 1203, 16589, 21253, 49767, 63759, 125513, 376539, 6652189, 19956567]

約数ペア:

[(1, 19956567), (3, 6652189), (53, 376539), (159, 125513), (313, 63759), (401, 49767), (939, 21253), (1203, 16589)]