19947532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{857}}^1$

素因数の和:918

約数の個数: 36

約数和(自身を含む): 39855816

約数和(自身を除く): 19908284

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 529, 857, 1012, 1058, 1714, 2116, 3428, 5819, 9427, 11638, 18854, 19711, 23276, 37708, 39422, 78844, 216821, 433642, 453353, 867284, 906706, 1813412, 4986883, 9973766, 19947532]

約数ペア:

[(1, 19947532), (2, 9973766), (4, 4986883), (11, 1813412), (22, 906706), (23, 867284), (44, 453353), (46, 433642), (92, 216821), (253, 78844), (506, 39422), (529, 37708), (857, 23276), (1012, 19711), (1058, 18854), (1714, 11638), (2116, 9427), (3428, 5819)]