19220080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21841}}^1$

素因数の和:21865

約数の個数: 40

約数和(自身を含む): 48751344

約数和(自身を除く): 29531264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21841, 43682, 87364, 109205, 174728, 218410, 240251, 349456, 436820, 480502, 873640, 961004, 1201255, 1747280, 1922008, 2402510, 3844016, 4805020, 9610040, 19220080]

約数ペア:

[(1, 19220080), (2, 9610040), (4, 4805020), (5, 3844016), (8, 2402510), (10, 1922008), (11, 1747280), (16, 1201255), (20, 961004), (22, 873640), (40, 480502), (44, 436820), (55, 349456), (80, 240251), (88, 218410), (110, 174728), (176, 109205), (220, 87364), (440, 43682), (880, 21841)]