19901464

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1627}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 21124136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1627, 3058, 3254, 6116, 6508, 12232, 13016, 17897, 35794, 71588, 143176, 226153, 452306, 904612, 1809224, 2487683, 4975366, 9950732, 19901464]

約数ペア:

[(1, 19901464), (2, 9950732), (4, 4975366), (8, 2487683), (11, 1809224), (22, 904612), (44, 452306), (88, 226153), (139, 143176), (278, 71588), (556, 35794), (1112, 17897), (1529, 13016), (1627, 12232), (3058, 6508), (3254, 6116)]