19787068

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2687}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 39739392

約数和(自身を除く): 19952324

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2687, 3682, 5374, 7364, 10748, 18809, 37618, 75236, 706681, 1413362, 2826724, 4946767, 9893534, 19787068]

約数ペア:

[(1, 19787068), (2, 9893534), (4, 4946767), (7, 2826724), (14, 1413362), (28, 706681), (263, 75236), (526, 37618), (1052, 18809), (1841, 10748), (2687, 7364), (3682, 5374)]