19571180

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1361}}^1$

素因数の和:2089

約数の個数: 24

約数和(自身を含む): 41186880

約数和(自身を除く): 21615700

約数列:

[1, 2, 4, 5, 10, 20, 719, 1361, 1438, 2722, 2876, 3595, 5444, 6805, 7190, 13610, 14380, 27220, 978559, 1957118, 3914236, 4892795, 9785590, 19571180]

約数ペア:

[(1, 19571180), (2, 9785590), (4, 4892795), (5, 3914236), (10, 1957118), (20, 978559), (719, 27220), (1361, 14380), (1438, 13610), (2722, 7190), (2876, 6805), (3595, 5444)]