19875564

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2521}}^1$

素因数の和:2607

約数の個数: 48

約数和(自身を含む): 52255840

約数和(自身を除く): 32380276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2521, 2628, 3942, 5042, 7563, 7884, 10084, 15126, 22689, 30252, 45378, 68067, 90756, 136134, 184033, 272268, 368066, 552099, 736132, 1104198, 1656297, 2208396, 3312594, 4968891, 6625188, 9937782, 19875564]

約数ペア:

[(1, 19875564), (2, 9937782), (3, 6625188), (4, 4968891), (6, 3312594), (9, 2208396), (12, 1656297), (18, 1104198), (27, 736132), (36, 552099), (54, 368066), (73, 272268), (108, 184033), (146, 136134), (219, 90756), (292, 68067), (438, 45378), (657, 30252), (876, 22689), (1314, 15126), (1971, 10084), (2521, 7884), (2628, 7563), (3942, 5042)]