19905116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64627}}^1$

素因数の和:64649

約数の個数: 24

約数和(自身を含む): 43430016

約数和(自身を除く): 23524900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64627, 129254, 258508, 452389, 710897, 904778, 1421794, 1809556, 2843588, 4976279, 9952558, 19905116]

約数ペア:

[(1, 19905116), (2, 9952558), (4, 4976279), (7, 2843588), (11, 1809556), (14, 1421794), (22, 904778), (28, 710897), (44, 452389), (77, 258508), (154, 129254), (308, 64627)]