18936280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43037}}^1$

素因数の和:43059

約数の個数: 32

約数和(自身を含む): 46481040

約数和(自身を除く): 27544760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43037, 86074, 172148, 215185, 344296, 430370, 473407, 860740, 946814, 1721480, 1893628, 2367035, 3787256, 4734070, 9468140, 18936280]

約数ペア:

[(1, 18936280), (2, 9468140), (4, 4734070), (5, 3787256), (8, 2367035), (10, 1893628), (11, 1721480), (20, 946814), (22, 860740), (40, 473407), (44, 430370), (55, 344296), (88, 215185), (110, 172148), (220, 86074), (440, 43037)]