19656428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8429}}^1$

素因数の和:8497

約数の個数: 24

約数和(自身を含む): 38238480

約数和(自身を除く): 18582052

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8429, 16858, 33716, 92719, 185438, 370876, 446737, 893474, 1786948, 4914107, 9828214, 19656428]

約数ペア:

[(1, 19656428), (2, 9828214), (4, 4914107), (11, 1786948), (22, 893474), (44, 446737), (53, 370876), (106, 185438), (212, 92719), (583, 33716), (1166, 16858), (2332, 8429)]