18156191

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 19895040

約数和(自身を除く): 1738849

約数列:

[1, 19, 43, 71, 313, 817, 1349, 3053, 5947, 13459, 22223, 58007, 255721, 422237, 955589, 18156191]

約数ペア:

[(1, 18156191), (19, 955589), (43, 422237), (71, 255721), (313, 58007), (817, 22223), (1349, 13459), (3053, 5947)]