19693580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5501}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 41595120

約数和(自身を除く): 21901540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5501, 11002, 22004, 27505, 55010, 110020, 984679, 1969358, 3938716, 4923395, 9846790, 19693580]

約数ペア:

[(1, 19693580), (2, 9846790), (4, 4923395), (5, 3938716), (10, 1969358), (20, 984679), (179, 110020), (358, 55010), (716, 27505), (895, 22004), (1790, 11002), (3580, 5501)]