19988617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 3296183

約数列:

[1, 11, 17, 139, 187, 769, 1529, 2363, 8459, 13073, 25993, 106891, 143803, 1175801, 1817147, 19988617]

約数ペア:

[(1, 19988617), (11, 1817147), (17, 1175801), (139, 143803), (187, 106891), (769, 25993), (1529, 13073), (2363, 8459)]