19209982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1321}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 31505904

約数和(自身を除く): 12295922

約数列:

[1, 2, 11, 22, 661, 1321, 1322, 2642, 7271, 14531, 14542, 29062, 873181, 1746362, 9604991, 19209982]

約数ペア:

[(1, 19209982), (2, 9604991), (11, 1746362), (22, 873181), (661, 29062), (1321, 14542), (1322, 14531), (2642, 7271)]