19378422

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 49510656

約数和(自身を除く): 30132234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 173, 254, 294, 346, 381, 441, 519, 762, 882, 889, 1038, 1143, 1211, 1557, 1778, 2286, 2422, 2667, 3114, 3633, 5334, 6223, 7266, 8001, 8477, 10899, 12446, 16002, 16954, 18669, 21798, 21971, 25431, 37338, 43942, 50862, 56007, 65913, 76293, 112014, 131826, 152586, 153797, 197739, 307594, 395478, 461391, 922782, 1076579, 1384173, 2153158, 2768346, 3229737, 6459474, 9689211, 19378422]

約数ペア:

[(1, 19378422), (2, 9689211), (3, 6459474), (6, 3229737), (7, 2768346), (9, 2153158), (14, 1384173), (18, 1076579), (21, 922782), (42, 461391), (49, 395478), (63, 307594), (98, 197739), (126, 153797), (127, 152586), (147, 131826), (173, 112014), (254, 76293), (294, 65913), (346, 56007), (381, 50862), (441, 43942), (519, 37338), (762, 25431), (882, 21971), (889, 21798), (1038, 18669), (1143, 16954), (1211, 16002), (1557, 12446), (1778, 10899), (2286, 8477), (2422, 8001), (2667, 7266), (3114, 6223), (3633, 5334)]