20161944848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66322187}}^1$

素因数の和:66322214

約数の個数: 20

約数和(自身を含む): 41119756560

約数和(自身を除く): 20957811712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66322187, 132644374, 265288748, 530577496, 1061154992, 1260121553, 2520243106, 5040486212, 10080972424, 20161944848]

約数ペア:

[(1, 20161944848), (2, 10080972424), (4, 5040486212), (8, 2520243106), (16, 1260121553), (19, 1061154992), (38, 530577496), (76, 265288748), (152, 132644374), (304, 66322187)]