19488364

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9803}}^1$

素因数の和:9885

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 20041364

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9803, 19606, 39212, 68621, 137242, 274484, 696013, 1392026, 2784052, 4872091, 9744182, 19488364]

約数ペア:

[(1, 19488364), (2, 9744182), (4, 4872091), (7, 2784052), (14, 1392026), (28, 696013), (71, 274484), (142, 137242), (284, 68621), (497, 39212), (994, 19606), (1988, 9803)]