20147991571

素因数分解:

${\mathrm{19}}^2\times {\mathrm{3691}}^1\times {\mathrm{15121}}^1$

素因数の和:18850

約数の個数: 12

約数和(自身を含む): 21271391544

約数和(自身を除く): 1123399973

約数列:

[1, 19, 361, 3691, 15121, 70129, 287299, 1332451, 5458681, 55811611, 1060420609, 20147991571]

約数ペア:

[(1, 20147991571), (19, 1060420609), (361, 55811611), (3691, 5458681), (15121, 1332451), (70129, 287299)]