19491740

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3623}}^1$

素因数の和:3901

約数の個数: 24

約数和(自身を含む): 41096160

約数和(自身を除く): 21604420

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3623, 5380, 7246, 14492, 18115, 36230, 72460, 974587, 1949174, 3898348, 4872935, 9745870, 19491740]

約数ペア:

[(1, 19491740), (2, 9745870), (4, 4872935), (5, 3898348), (10, 1949174), (20, 974587), (269, 72460), (538, 36230), (1076, 18115), (1345, 14492), (2690, 7246), (3623, 5380)]