19677508

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 35199360

約数和(自身を除く): 15521852

約数列:

[1, 2, 4, 71, 142, 193, 284, 359, 386, 718, 772, 1436, 13703, 25489, 27406, 50978, 54812, 69287, 101956, 138574, 277148, 4919377, 9838754, 19677508]

約数ペア:

[(1, 19677508), (2, 9838754), (4, 4919377), (71, 277148), (142, 138574), (193, 101956), (284, 69287), (359, 54812), (386, 50978), (718, 27406), (772, 25489), (1436, 13703)]