19855340

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2861}}^1$

素因数の和:3217

約数の個数: 24

約数和(自身を含む): 41830992

約数和(自身を除く): 21975652

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2861, 3470, 5722, 6940, 11444, 14305, 28610, 57220, 992767, 1985534, 3971068, 4963835, 9927670, 19855340]

約数ペア:

[(1, 19855340), (2, 9927670), (4, 4963835), (5, 3971068), (10, 1985534), (20, 992767), (347, 57220), (694, 28610), (1388, 14305), (1735, 11444), (2861, 6940), (3470, 5722)]