19680777772

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{1249}}^1\times {\mathrm{10973}}^1$

素因数の和:12585

約数の個数: 24

約数和(自身を含む): 34568100000

約数和(自身を除く): 14887322228

約数列:

[1, 2, 4, 359, 718, 1249, 1436, 2498, 4996, 10973, 21946, 43892, 448391, 896782, 1793564, 3939307, 7878614, 13705277, 15757228, 27410554, 54821108, 4920194443, 9840388886, 19680777772]

約数ペア:

[(1, 19680777772), (2, 9840388886), (4, 4920194443), (359, 54821108), (718, 27410554), (1249, 15757228), (1436, 13705277), (2498, 7878614), (4996, 3939307), (10973, 1793564), (21946, 896782), (43892, 448391)]