18996280

素因数分解:

$2^3\times 5^1\times {\mathrm{474907}}^1$

素因数の和:474918

約数の個数: 16

約数和(自身を含む): 42741720

約数和(自身を除く): 23745440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 474907, 949814, 1899628, 2374535, 3799256, 4749070, 9498140, 18996280]

約数ペア:

[(1, 18996280), (2, 9498140), (4, 4749070), (5, 3799256), (8, 2374535), (10, 1899628), (20, 949814), (40, 474907)]