19198520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43633}}^1$

素因数の和:43655

約数の個数: 32

約数和(自身を含む): 47124720

約数和(自身を除く): 27926200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43633, 87266, 174532, 218165, 349064, 436330, 479963, 872660, 959926, 1745320, 1919852, 2399815, 3839704, 4799630, 9599260, 19198520]

約数ペア:

[(1, 19198520), (2, 9599260), (4, 4799630), (5, 3839704), (8, 2399815), (10, 1919852), (11, 1745320), (20, 959926), (22, 872660), (40, 479963), (44, 436330), (55, 349064), (88, 218165), (110, 174532), (220, 87266), (440, 43633)]