19953142

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2076

約数の個数: 24

約数和(自身を含む): 33717096

約数和(自身を除く): 13763954

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 2011, 4022, 4961, 9922, 22121, 44242, 82451, 164902, 243331, 486662, 906961, 1813922, 9976571, 19953142]

約数ペア:

[(1, 19953142), (2, 9976571), (11, 1813922), (22, 906961), (41, 486662), (82, 243331), (121, 164902), (242, 82451), (451, 44242), (902, 22121), (2011, 9922), (4022, 4961)]