19205560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43649}}^1$

素因数の和:43671

約数の個数: 32

約数和(自身を含む): 47142000

約数和(自身を除く): 27936440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43649, 87298, 174596, 218245, 349192, 436490, 480139, 872980, 960278, 1745960, 1920556, 2400695, 3841112, 4801390, 9602780, 19205560]

約数ペア:

[(1, 19205560), (2, 9602780), (4, 4801390), (5, 3841112), (8, 2400695), (10, 1920556), (11, 1745960), (20, 960278), (22, 872980), (40, 480139), (44, 436490), (55, 349192), (88, 218245), (110, 174596), (220, 87298), (440, 43649)]