18449540

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1283}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 20378620

約数列:

[1, 2, 4, 5, 10, 20, 719, 1283, 1438, 2566, 2876, 3595, 5132, 6415, 7190, 12830, 14380, 25660, 922477, 1844954, 3689908, 4612385, 9224770, 18449540]

約数ペア:

[(1, 18449540), (2, 9224770), (4, 4612385), (5, 3689908), (10, 1844954), (20, 922477), (719, 25660), (1283, 14380), (1438, 12830), (2566, 7190), (2876, 6415), (3595, 5132)]