19806542

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61511}}^1$

素因数の和:61543

約数の個数: 16

約数和(自身を含む): 35430912

約数和(自身を除く): 15624370

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61511, 123022, 430577, 861154, 1414753, 2829506, 9903271, 19806542]

約数ペア:

[(1, 19806542), (2, 9903271), (7, 2829506), (14, 1414753), (23, 861154), (46, 430577), (161, 123022), (322, 61511)]