19038868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 34444872

約数和(自身を除く): 15406004

約数列:

[1, 2, 4, 37, 74, 148, 197, 394, 653, 788, 1306, 2612, 7289, 14578, 24161, 29156, 48322, 96644, 128641, 257282, 514564, 4759717, 9519434, 19038868]

約数ペア:

[(1, 19038868), (2, 9519434), (4, 4759717), (37, 514564), (74, 257282), (148, 128641), (197, 96644), (394, 48322), (653, 29156), (788, 24161), (1306, 14578), (2612, 7289)]