19731668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10429}}^1$

素因数の和:10487

約数の個数: 24

約数和(自身を含む): 38549280

約数和(自身を除く): 18817612

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10429, 20858, 41716, 114719, 229438, 448447, 458876, 896894, 1793788, 4932917, 9865834, 19731668]

約数ペア:

[(1, 19731668), (2, 9865834), (4, 4932917), (11, 1793788), (22, 896894), (43, 458876), (44, 448447), (86, 229438), (172, 114719), (473, 41716), (946, 20858), (1892, 10429)]