19004989232

素因数分解:

$2^4\times {\mathrm{1721}}^1\times {\mathrm{690187}}^1$

素因数の和:691916

約数の個数: 20

約数和(自身を含む): 36843615816

約数和(自身を除く): 17838626584

約数列:

[1, 2, 4, 8, 16, 1721, 3442, 6884, 13768, 27536, 690187, 1380374, 2760748, 5521496, 11042992, 1187811827, 2375623654, 4751247308, 9502494616, 19004989232]

約数ペア:

[(1, 19004989232), (2, 9502494616), (4, 4751247308), (8, 2375623654), (16, 1187811827), (1721, 11042992), (3442, 5521496), (6884, 2760748), (13768, 1380374), (27536, 690187)]