18884180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134887}}^1$

素因数の和:134903

約数の個数: 24

約数和(自身を含む): 45322368

約数和(自身を除く): 26438188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134887, 269774, 539548, 674435, 944209, 1348870, 1888418, 2697740, 3776836, 4721045, 9442090, 18884180]

約数ペア:

[(1, 18884180), (2, 9442090), (4, 4721045), (5, 3776836), (7, 2697740), (10, 1888418), (14, 1348870), (20, 944209), (28, 674435), (35, 539548), (70, 269774), (140, 134887)]