19938850

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3529}}^1$

素因数の和:3654

約数の個数: 24

約数和(自身を含む): 37425060

約数和(自身を除く): 17486210

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3529, 5650, 7058, 17645, 35290, 88225, 176450, 398777, 797554, 1993885, 3987770, 9969425, 19938850]

約数ペア:

[(1, 19938850), (2, 9969425), (5, 3987770), (10, 1993885), (25, 797554), (50, 398777), (113, 176450), (226, 88225), (565, 35290), (1130, 17645), (2825, 7058), (3529, 5650)]