19709118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 144

約数和(自身を含む): 54812160

約数和(自身を除く): 35103042

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 19, 22, 26, 31, 33, 38, 39, 57, 62, 66, 78, 93, 99, 114, 117, 143, 169, 171, 186, 198, 209, 234, 247, 279, 286, 338, 341, 342, 403, 418, 429, 494, 507, 558, 589, 627, 682, 741, 806, 858, 1014, 1023, 1178, 1209, 1254, 1287, 1482, 1521, 1767, 1859, 1881, 2046, 2223, 2418, 2574, 2717, 3042, 3069, 3211, 3534, 3627, 3718, 3762, 4433, 4446, 5239, 5301, 5434, 5577, 6138, 6422, 6479, 7254, 7657, 8151, 8866, 9633, 10478, 10602, 11154, 12958, 13299, 15314, 15717, 16302, 16731, 19266, 19437, 22971, 24453, 26598, 28899, 31434, 33462, 35321, 38874, 39897, 45942, 47151, 48906, 57629, 57798, 58311, 68913, 70642, 79794, 84227, 94302, 99541, 105963, 115258, 116622, 137826, 168454, 172887, 199082, 211926, 252681, 298623, 317889, 345774, 505362, 518661, 597246, 635778, 758043, 895869, 1037322, 1094951, 1516086, 1791738, 2189902, 3284853, 6569706, 9854559, 19709118]

約数ペア:

[(1, 19709118), (2, 9854559), (3, 6569706), (6, 3284853), (9, 2189902), (11, 1791738), (13, 1516086), (18, 1094951), (19, 1037322), (22, 895869), (26, 758043), (31, 635778), (33, 597246), (38, 518661), (39, 505362), (57, 345774), (62, 317889), (66, 298623), (78, 252681), (93, 211926), (99, 199082), (114, 172887), (117, 168454), (143, 137826), (169, 116622), (171, 115258), (186, 105963), (198, 99541), (209, 94302), (234, 84227), (247, 79794), (279, 70642), (286, 68913), (338, 58311), (341, 57798), (342, 57629), (403, 48906), (418, 47151), (429, 45942), (494, 39897), (507, 38874), (558, 35321), (589, 33462), (627, 31434), (682, 28899), (741, 26598), (806, 24453), (858, 22971), (1014, 19437), (1023, 19266), (1178, 16731), (1209, 16302), (1254, 15717), (1287, 15314), (1482, 13299), (1521, 12958), (1767, 11154), (1859, 10602), (1881, 10478), (2046, 9633), (2223, 8866), (2418, 8151), (2574, 7657), (2717, 7254), (3042, 6479), (3069, 6422), (3211, 6138), (3534, 5577), (3627, 5434), (3718, 5301), (3762, 5239), (4433, 4446)]