19779331

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 23411808

約数和(自身を除く): 3632477

約数列:

[1, 11, 13, 143, 157, 881, 1727, 2041, 9691, 11453, 22451, 125983, 138317, 1521487, 1798121, 19779331]

約数ペア:

[(1, 19779331), (11, 1798121), (13, 1521487), (143, 138317), (157, 125983), (881, 22451), (1727, 11453), (2041, 9691)]