2189608868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{28810643}}^1$

素因数の和:28810666

約数の個数: 12

約数和(自身を含む): 4033490160

約数和(自身を除く): 1843881292

約数列:

[1, 2, 4, 19, 38, 76, 28810643, 57621286, 115242572, 547402217, 1094804434, 2189608868]

約数ペア:

[(1, 2189608868), (2, 1094804434), (4, 547402217), (19, 115242572), (38, 57621286), (76, 28810643)]