19221400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8737}}^1$

素因数の和:8764

約数の個数: 48

約数和(自身を含む): 48758040

約数和(自身を除く): 29536640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 8737, 17474, 34948, 43685, 69896, 87370, 96107, 174740, 192214, 218425, 349480, 384428, 436850, 480535, 768856, 873700, 961070, 1747400, 1922140, 2402675, 3844280, 4805350, 9610700, 19221400]

約数ペア:

[(1, 19221400), (2, 9610700), (4, 4805350), (5, 3844280), (8, 2402675), (10, 1922140), (11, 1747400), (20, 961070), (22, 873700), (25, 768856), (40, 480535), (44, 436850), (50, 384428), (55, 349480), (88, 218425), (100, 192214), (110, 174740), (200, 96107), (220, 87370), (275, 69896), (440, 43685), (550, 34948), (1100, 17474), (2200, 8737)]