19451180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138937}}^1$

素因数の和:138953

約数の個数: 24

約数和(自身を含む): 46683168

約数和(自身を除く): 27231988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138937, 277874, 555748, 694685, 972559, 1389370, 1945118, 2778740, 3890236, 4862795, 9725590, 19451180]

約数ペア:

[(1, 19451180), (2, 9725590), (4, 4862795), (5, 3890236), (7, 2778740), (10, 1945118), (14, 1389370), (20, 972559), (28, 694685), (35, 555748), (70, 277874), (140, 138937)]