19882874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{2851}}^1$

素因数の和:3181

約数の個数: 16

約数和(自身を含む): 32649696

約数和(自身を除く): 12766822

約数列:

[1, 2, 11, 22, 317, 634, 2851, 3487, 5702, 6974, 31361, 62722, 903767, 1807534, 9941437, 19882874]

約数ペア:

[(1, 19882874), (2, 9941437), (11, 1807534), (22, 903767), (317, 62722), (634, 31361), (2851, 6974), (3487, 5702)]