11437820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2903}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 24149664

約数和(自身を除く): 12711844

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2903, 3940, 5806, 11612, 14515, 29030, 58060, 571891, 1143782, 2287564, 2859455, 5718910, 11437820]

約数ペア:

[(1, 11437820), (2, 5718910), (4, 2859455), (5, 2287564), (10, 1143782), (20, 571891), (197, 58060), (394, 29030), (788, 14515), (985, 11612), (1970, 5806), (2903, 3940)]