18796280

素因数分解:

$2^3\times 5^1\times {\mathrm{469907}}^1$

素因数の和:469918

約数の個数: 16

約数和(自身を含む): 42291720

約数和(自身を除く): 23495440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 469907, 939814, 1879628, 2349535, 3759256, 4699070, 9398140, 18796280]

約数ペア:

[(1, 18796280), (2, 9398140), (4, 4699070), (5, 3759256), (8, 2349535), (10, 1879628), (20, 939814), (40, 469907)]