19991477

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2333}}^1$

素因数の和:2404

約数の個数: 16

約数和(自身を含む): 23526720

約数和(自身を除く): 3535243

約数列:

[1, 11, 19, 41, 209, 451, 779, 2333, 8569, 25663, 44327, 95653, 487597, 1052183, 1817407, 19991477]

約数ペア:

[(1, 19991477), (11, 1817407), (19, 1052183), (41, 487597), (209, 95653), (451, 44327), (779, 25663), (2333, 8569)]