19154080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10883}}^1$

素因数の和:10909

約数の個数: 48

約数和(自身を含む): 49369824

約数和(自身を除く): 30215744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10883, 21766, 43532, 54415, 87064, 108830, 119713, 174128, 217660, 239426, 348256, 435320, 478852, 598565, 870640, 957704, 1197130, 1741280, 1915408, 2394260, 3830816, 4788520, 9577040, 19154080]

約数ペア:

[(1, 19154080), (2, 9577040), (4, 4788520), (5, 3830816), (8, 2394260), (10, 1915408), (11, 1741280), (16, 1197130), (20, 957704), (22, 870640), (32, 598565), (40, 478852), (44, 435320), (55, 348256), (80, 239426), (88, 217660), (110, 174128), (160, 119713), (176, 108830), (220, 87064), (352, 54415), (440, 43532), (880, 21766), (1760, 10883)]