19992874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{10949}}^1$

素因数の和:11045

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 13119926

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 10949, 21898, 120439, 240878, 908767, 1817534, 9996437, 19992874]

約数ペア:

[(1, 19992874), (2, 9996437), (11, 1817534), (22, 908767), (83, 240878), (166, 120439), (913, 21898), (1826, 10949)]