19797756

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6521}}^1$

素因数の和:6562

約数の個数: 48

約数和(自身を含む): 52593408

約数和(自身を除く): 32795652

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6521, 13042, 19563, 26084, 39126, 71731, 78252, 143462, 149983, 215193, 286924, 299966, 430386, 449949, 599932, 860772, 899898, 1649813, 1799796, 3299626, 4949439, 6599252, 9898878, 19797756]

約数ペア:

[(1, 19797756), (2, 9898878), (3, 6599252), (4, 4949439), (6, 3299626), (11, 1799796), (12, 1649813), (22, 899898), (23, 860772), (33, 599932), (44, 449949), (46, 430386), (66, 299966), (69, 286924), (92, 215193), (132, 149983), (138, 143462), (253, 78252), (276, 71731), (506, 39126), (759, 26084), (1012, 19563), (1518, 13042), (3036, 6521)]