18679793

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 21638400

約数和(自身を除く): 2958607

約数列:

[1, 11, 19, 139, 209, 643, 1529, 2641, 7073, 12217, 29051, 89377, 134387, 983147, 1698163, 18679793]

約数ペア:

[(1, 18679793), (11, 1698163), (19, 983147), (139, 134387), (209, 89377), (643, 29051), (1529, 12217), (2641, 7073)]