20161609916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37897763}}^1$

素因数の和:37897793

約数の個数: 24

約数和(自身を含む): 42445495680

約数和(自身を除く): 22283885764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37897763, 75795526, 151591052, 265284341, 530568682, 720057497, 1061137364, 1440114994, 2880229988, 5040402479, 10080804958, 20161609916]

約数ペア:

[(1, 20161609916), (2, 10080804958), (4, 5040402479), (7, 2880229988), (14, 1440114994), (19, 1061137364), (28, 720057497), (38, 530568682), (76, 265284341), (133, 151591052), (266, 75795526), (532, 37897763)]