19949836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 35879760

約数和(自身を除く): 15929924

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 677, 1354, 2708, 7367, 14734, 29468, 35881, 71762, 94103, 143524, 188206, 376412, 4987459, 9974918, 19949836]

約数ペア:

[(1, 19949836), (2, 9974918), (4, 4987459), (53, 376412), (106, 188206), (139, 143524), (212, 94103), (278, 71762), (556, 35881), (677, 29468), (1354, 14734), (2708, 7367)]