19958902876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{224449}}^1$

素因数の和:224554

約数の個数: 48

約数和(自身を含む): 39819225600

約数和(自身を除く): 19860322724

約数列:

[1, 2, 4, 11, 22, 43, 44, 47, 86, 94, 172, 188, 473, 517, 946, 1034, 1892, 2021, 2068, 4042, 8084, 22231, 44462, 88924, 224449, 448898, 897796, 2468939, 4937878, 9651307, 9875756, 10549103, 19302614, 21098206, 38605228, 42196412, 106164377, 116040133, 212328754, 232080266, 424657508, 453611429, 464160532, 907222858, 1814445716, 4989725719, 9979451438, 19958902876]

約数ペア:

[(1, 19958902876), (2, 9979451438), (4, 4989725719), (11, 1814445716), (22, 907222858), (43, 464160532), (44, 453611429), (47, 424657508), (86, 232080266), (94, 212328754), (172, 116040133), (188, 106164377), (473, 42196412), (517, 38605228), (946, 21098206), (1034, 19302614), (1892, 10549103), (2021, 9875756), (2068, 9651307), (4042, 4937878), (8084, 2468939), (22231, 897796), (44462, 448898), (88924, 224449)]