19954456

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{5953}}^1$

素因数の和:6378

約数の個数: 16

約数和(自身を含む): 37510200

約数和(自身を除く): 17555744

約数列:

[1, 2, 4, 8, 419, 838, 1676, 3352, 5953, 11906, 23812, 47624, 2494307, 4988614, 9977228, 19954456]

約数ペア:

[(1, 19954456), (2, 9977228), (4, 4988614), (8, 2494307), (419, 47624), (838, 23812), (1676, 11906), (3352, 5953)]