18933717

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 28417312

約数和(自身を除く): 9483595

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1213, 1419, 3639, 5203, 13343, 15609, 40029, 52159, 146773, 156477, 440319, 573749, 1721247, 6311239, 18933717]

約数ペア:

[(1, 18933717), (3, 6311239), (11, 1721247), (33, 573749), (43, 440319), (121, 156477), (129, 146773), (363, 52159), (473, 40029), (1213, 15609), (1419, 13343), (3639, 5203)]