19665981946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2106919}}^1$

素因数の和:2107293

約数の個数: 16

約数和(自身を含む): 31856630400

約数和(自身を除く): 12190648454

約数列:

[1, 2, 13, 26, 359, 718, 4667, 9334, 2106919, 4213838, 27389947, 54779894, 756383921, 1512767842, 9832990973, 19665981946]

約数ペア:

[(1, 19665981946), (2, 9832990973), (13, 1512767842), (26, 756383921), (359, 54779894), (718, 27389947), (4667, 4213838), (9334, 2106919)]