19968168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1759}}^1$

素因数の和:1822

約数の個数: 64

約数和(自身を含む): 55756800

約数和(自身を除く): 35788632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1759, 1892, 2838, 3518, 3784, 5277, 5676, 7036, 10554, 11352, 14072, 19349, 21108, 38698, 42216, 58047, 75637, 77396, 116094, 151274, 154792, 226911, 232188, 302548, 453822, 464376, 605096, 832007, 907644, 1664014, 1815288, 2496021, 3328028, 4992042, 6656056, 9984084, 19968168]

約数ペア:

[(1, 19968168), (2, 9984084), (3, 6656056), (4, 4992042), (6, 3328028), (8, 2496021), (11, 1815288), (12, 1664014), (22, 907644), (24, 832007), (33, 605096), (43, 464376), (44, 453822), (66, 302548), (86, 232188), (88, 226911), (129, 154792), (132, 151274), (172, 116094), (258, 77396), (264, 75637), (344, 58047), (473, 42216), (516, 38698), (946, 21108), (1032, 19349), (1419, 14072), (1759, 11352), (1892, 10554), (2838, 7036), (3518, 5676), (3784, 5277)]