19519423

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4783}}^1$

素因数の和:4854

約数の個数: 16

約数和(自身を含む): 24800256

約数和(自身を除く): 5280833

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 4783, 33481, 52613, 253499, 368291, 1774493, 2788489, 19519423]

約数ペア:

[(1, 19519423), (7, 2788489), (11, 1774493), (53, 368291), (77, 253499), (371, 52613), (583, 33481), (4081, 4783)]