19962217

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 18

約数和(自身を含む): 23208234

約数和(自身を除く): 3246017

約数列:

[1, 11, 19, 121, 209, 361, 457, 2299, 3971, 5027, 8683, 43681, 55297, 95513, 164977, 1050643, 1814747, 19962217]

約数ペア:

[(1, 19962217), (11, 1814747), (19, 1050643), (121, 164977), (209, 95513), (361, 55297), (457, 43681), (2299, 8683), (3971, 5027)]