19856204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2729}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 37149840

約数和(自身を除く): 17293636

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2729, 3638, 5458, 7276, 10916, 46393, 92786, 185572, 292003, 584006, 1168012, 4964051, 9928102, 19856204]

約数ペア:

[(1, 19856204), (2, 9928102), (4, 4964051), (17, 1168012), (34, 584006), (68, 292003), (107, 185572), (214, 92786), (428, 46393), (1819, 10916), (2729, 7276), (3638, 5458)]