18089920

素因数分解:

$2^6\times 5^1\times {\mathrm{56531}}^1$

素因数の和:56548

約数の個数: 28

約数和(自身を含む): 43077384

約数和(自身を除く): 24987464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56531, 113062, 226124, 282655, 452248, 565310, 904496, 1130620, 1808992, 2261240, 3617984, 4522480, 9044960, 18089920]

約数ペア:

[(1, 18089920), (2, 9044960), (4, 4522480), (5, 3617984), (8, 2261240), (10, 1808992), (16, 1130620), (20, 904496), (32, 565310), (40, 452248), (64, 282655), (80, 226124), (160, 113062), (320, 56531)]