19768432

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{2789}}^1$

素因数の和:3240

約数の個数: 20

約数和(自身を含む): 38401560

約数和(自身を除く): 18633128

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 2789, 3544, 5578, 7088, 11156, 22312, 44624, 1235527, 2471054, 4942108, 9884216, 19768432]

約数ペア:

[(1, 19768432), (2, 9884216), (4, 4942108), (8, 2471054), (16, 1235527), (443, 44624), (886, 22312), (1772, 11156), (2789, 7088), (3544, 5578)]