19185740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3246

約数の個数: 48

約数和(自身を含む): 47131392

約数和(自身を除く): 27945652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3187, 6020, 6374, 12748, 15935, 22309, 31870, 44618, 63740, 89236, 111545, 137041, 223090, 274082, 446180, 548164, 685205, 959287, 1370410, 1918574, 2740820, 3837148, 4796435, 9592870, 19185740]

約数ペア:

[(1, 19185740), (2, 9592870), (4, 4796435), (5, 3837148), (7, 2740820), (10, 1918574), (14, 1370410), (20, 959287), (28, 685205), (35, 548164), (43, 446180), (70, 274082), (86, 223090), (140, 137041), (172, 111545), (215, 89236), (301, 63740), (430, 44618), (602, 31870), (860, 22309), (1204, 15935), (1505, 12748), (3010, 6374), (3187, 6020)]