2013455821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{18401}}^1$

素因数の和:18876

約数の個数: 16

約数和(自身を含む): 2287736640

約数和(自身を除く): 274280819

約数列:

[1, 13, 19, 247, 443, 5759, 8417, 18401, 109421, 239213, 349619, 4545047, 8151643, 105971359, 154881217, 2013455821]

約数ペア:

[(1, 2013455821), (13, 154881217), (19, 105971359), (247, 8151643), (443, 4545047), (5759, 349619), (8417, 239213), (18401, 109421)]