19668762

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 72

約数和(自身を含む): 47892000

約数和(自身を除く): 28223238

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 51, 57, 102, 114, 153, 171, 199, 289, 306, 323, 342, 398, 578, 597, 646, 867, 969, 1194, 1734, 1791, 1938, 2601, 2907, 3383, 3582, 3781, 5202, 5491, 5814, 6766, 7562, 10149, 10982, 11343, 16473, 20298, 22686, 30447, 32946, 34029, 49419, 57511, 60894, 64277, 68058, 98838, 115022, 128554, 172533, 192831, 345066, 385662, 517599, 578493, 1035198, 1092709, 1156986, 2185418, 3278127, 6556254, 9834381, 19668762]

約数ペア:

[(1, 19668762), (2, 9834381), (3, 6556254), (6, 3278127), (9, 2185418), (17, 1156986), (18, 1092709), (19, 1035198), (34, 578493), (38, 517599), (51, 385662), (57, 345066), (102, 192831), (114, 172533), (153, 128554), (171, 115022), (199, 98838), (289, 68058), (306, 64277), (323, 60894), (342, 57511), (398, 49419), (578, 34029), (597, 32946), (646, 30447), (867, 22686), (969, 20298), (1194, 16473), (1734, 11343), (1791, 10982), (1938, 10149), (2601, 7562), (2907, 6766), (3383, 5814), (3582, 5491), (3781, 5202)]