2019988388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{3673}}^1$

素因数の和:4148

約数の個数: 48

約数和(自身を含む): 3999663360

約数和(自身を除く): 1979674972

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 431, 638, 862, 1276, 1724, 3673, 4741, 7346, 9482, 12499, 14692, 18964, 24998, 40403, 49996, 80806, 106517, 137489, 161612, 213034, 274978, 426068, 549956, 1171687, 1583063, 2343374, 3166126, 4686748, 6332252, 17413693, 34827386, 45908827, 69654772, 91817654, 183635308, 504997097, 1009994194, 2019988388]

約数ペア:

[(1, 2019988388), (2, 1009994194), (4, 504997097), (11, 183635308), (22, 91817654), (29, 69654772), (44, 45908827), (58, 34827386), (116, 17413693), (319, 6332252), (431, 4686748), (638, 3166126), (862, 2343374), (1276, 1583063), (1724, 1171687), (3673, 549956), (4741, 426068), (7346, 274978), (9482, 213034), (12499, 161612), (14692, 137489), (18964, 106517), (24998, 80806), (40403, 49996)]