19986271

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2823329

約数列:

[1, 17, 19, 43, 323, 731, 817, 1439, 13889, 24463, 27341, 61877, 464797, 1051909, 1175663, 19986271]

約数ペア:

[(1, 19986271), (17, 1175663), (19, 1051909), (43, 464797), (323, 61877), (731, 27341), (817, 24463), (1439, 13889)]