19906568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4813}}^1$

素因数の和:4877

約数の個数: 32

約数和(自身を含む): 41592960

約数和(自身を除く): 21686392

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 4813, 9626, 19252, 38504, 52943, 105886, 211772, 226211, 423544, 452422, 904844, 1809688, 2488321, 4976642, 9953284, 19906568]

約数ペア:

[(1, 19906568), (2, 9953284), (4, 4976642), (8, 2488321), (11, 1809688), (22, 904844), (44, 452422), (47, 423544), (88, 226211), (94, 211772), (188, 105886), (376, 52943), (517, 38504), (1034, 19252), (2068, 9626), (4136, 4813)]