18667180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133337}}^1$

素因数の和:133353

約数の個数: 24

約数和(自身を含む): 44801568

約数和(自身を除く): 26134388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133337, 266674, 533348, 666685, 933359, 1333370, 1866718, 2666740, 3733436, 4666795, 9333590, 18667180]

約数ペア:

[(1, 18667180), (2, 9333590), (4, 4666795), (5, 3733436), (7, 2666740), (10, 1866718), (14, 1333370), (20, 933359), (28, 666685), (35, 533348), (70, 266674), (140, 133337)]