2019912881

素因数分解:

$7^1\times {\mathrm{173}}^1\times {\mathrm{751}}^1\times {\mathrm{2221}}^1$

素因数の和:3152

約数の個数: 16

約数和(自身を含む): 2325954048

約数和(自身を除く): 306041167

約数列:

[1, 7, 173, 751, 1211, 2221, 5257, 15547, 129923, 384233, 909461, 1667971, 2689631, 11675797, 288558983, 2019912881]

約数ペア:

[(1, 2019912881), (7, 288558983), (173, 11675797), (751, 2689631), (1211, 1667971), (2221, 909461), (5257, 384233), (15547, 129923)]