19847380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141767}}^1$

素因数の和:141783

約数の個数: 24

約数和(自身を含む): 47634048

約数和(自身を除く): 27786668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141767, 283534, 567068, 708835, 992369, 1417670, 1984738, 2835340, 3969476, 4961845, 9923690, 19847380]

約数ペア:

[(1, 19847380), (2, 9923690), (4, 4961845), (5, 3969476), (7, 2835340), (10, 1984738), (14, 1417670), (20, 992369), (28, 708835), (35, 567068), (70, 283534), (140, 141767)]