19999444

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3253}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 36900360

約数和(自身を除く): 16900916

約数列:

[1, 2, 4, 29, 53, 58, 106, 116, 212, 1537, 3074, 3253, 6148, 6506, 13012, 94337, 172409, 188674, 344818, 377348, 689636, 4999861, 9999722, 19999444]

約数ペア:

[(1, 19999444), (2, 9999722), (4, 4999861), (29, 689636), (53, 377348), (58, 344818), (106, 188674), (116, 172409), (212, 94337), (1537, 13012), (3074, 6506), (3253, 6148)]