19940489792

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{7027}}^1$

素因数の和:7579

約数の個数: 56

約数和(自身を含む): 40057913280

約数和(自身を除く): 20117423488

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 439, 808, 878, 1616, 1756, 3232, 3512, 6464, 7024, 7027, 14048, 14054, 28096, 28108, 44339, 56216, 88678, 112432, 177356, 224864, 354712, 449728, 709424, 709727, 1418848, 1419454, 2837696, 2838908, 3084853, 5677816, 6169706, 11355632, 12339412, 22711264, 24678824, 45422528, 49357648, 98715296, 197430592, 311570153, 623140306, 1246280612, 2492561224, 4985122448, 9970244896, 19940489792]

約数ペア:

[(1, 19940489792), (2, 9970244896), (4, 4985122448), (8, 2492561224), (16, 1246280612), (32, 623140306), (64, 311570153), (101, 197430592), (202, 98715296), (404, 49357648), (439, 45422528), (808, 24678824), (878, 22711264), (1616, 12339412), (1756, 11355632), (3232, 6169706), (3512, 5677816), (6464, 3084853), (7024, 2838908), (7027, 2837696), (14048, 1419454), (14054, 1418848), (28096, 709727), (28108, 709424), (44339, 449728), (56216, 354712), (88678, 224864), (112432, 177356)]