19964692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2351}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 38328192

約数和(自身を除く): 18363500

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2351, 4246, 4702, 8492, 9404, 25861, 51722, 103444, 453743, 907486, 1814972, 4991173, 9982346, 19964692]

約数ペア:

[(1, 19964692), (2, 9982346), (4, 4991173), (11, 1814972), (22, 907486), (44, 453743), (193, 103444), (386, 51722), (772, 25861), (2123, 9404), (2351, 8492), (4246, 4702)]