2019161780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{25033}}^1$

素因数の和:25188

約数の個数: 48

約数和(自身を含む): 4394969040

約数和(自身を除く): 2375807260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 1090, 2180, 4033, 8066, 16132, 20165, 25033, 40330, 50066, 80660, 100132, 125165, 250330, 500660, 926221, 1852442, 2728597, 3704884, 4631105, 5457194, 9262210, 10914388, 13642985, 18524420, 27285970, 54571940, 100958089, 201916178, 403832356, 504790445, 1009580890, 2019161780]

約数ペア:

[(1, 2019161780), (2, 1009580890), (4, 504790445), (5, 403832356), (10, 201916178), (20, 100958089), (37, 54571940), (74, 27285970), (109, 18524420), (148, 13642985), (185, 10914388), (218, 9262210), (370, 5457194), (436, 4631105), (545, 3704884), (740, 2728597), (1090, 1852442), (2180, 926221), (4033, 500660), (8066, 250330), (16132, 125165), (20165, 100132), (25033, 80660), (40330, 50066)]