18737140

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1303}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 39432960

約数和(自身を除く): 20695820

約数列:

[1, 2, 4, 5, 10, 20, 719, 1303, 1438, 2606, 2876, 3595, 5212, 6515, 7190, 13030, 14380, 26060, 936857, 1873714, 3747428, 4684285, 9368570, 18737140]

約数ペア:

[(1, 18737140), (2, 9368570), (4, 4684285), (5, 3747428), (10, 1873714), (20, 936857), (719, 26060), (1303, 14380), (1438, 13030), (2606, 7190), (2876, 6515), (3595, 5212)]