18764641

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2092

約数の個数: 16

約数和(自身を含む): 22663168

約数和(自身を除く): 3898527

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2011, 9331, 14077, 62341, 86473, 436387, 605311, 2680663, 18764641]

約数ペア:

[(1, 18764641), (7, 2680663), (31, 605311), (43, 436387), (217, 86473), (301, 62341), (1333, 14077), (2011, 9331)]