19981188

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{10883}}^1$

素因数の和:10913

約数の個数: 48

約数和(自身を含む): 54855360

約数和(自身を除く): 34874172

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 10883, 21766, 32649, 43532, 65298, 97947, 130596, 185011, 195894, 293841, 370022, 391788, 555033, 587682, 740044, 1110066, 1175364, 1665099, 2220132, 3330198, 4995297, 6660396, 9990594, 19981188]

約数ペア:

[(1, 19981188), (2, 9990594), (3, 6660396), (4, 4995297), (6, 3330198), (9, 2220132), (12, 1665099), (17, 1175364), (18, 1110066), (27, 740044), (34, 587682), (36, 555033), (51, 391788), (54, 370022), (68, 293841), (102, 195894), (108, 185011), (153, 130596), (204, 97947), (306, 65298), (459, 43532), (612, 32649), (918, 21766), (1836, 10883)]