19606796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{241}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 38480904

約数和(自身を除く): 18874108

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 241, 473, 482, 946, 964, 1849, 1892, 2651, 3698, 5302, 7396, 10363, 10604, 20339, 20726, 40678, 41452, 81356, 113993, 227986, 445609, 455972, 891218, 1782436, 4901699, 9803398, 19606796]

約数ペア:

[(1, 19606796), (2, 9803398), (4, 4901699), (11, 1782436), (22, 891218), (43, 455972), (44, 445609), (86, 227986), (172, 113993), (241, 81356), (473, 41452), (482, 40678), (946, 20726), (964, 20339), (1849, 10604), (1892, 10363), (2651, 7396), (3698, 5302)]