19209512

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 43192320

約数和(自身を除く): 23982808

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 73, 74, 127, 146, 148, 254, 259, 292, 296, 508, 511, 518, 584, 889, 1016, 1022, 1036, 1778, 2044, 2072, 2701, 3556, 4088, 4699, 5402, 7112, 9271, 9398, 10804, 18542, 18796, 18907, 21608, 32893, 37084, 37592, 37814, 64897, 65786, 74168, 75628, 129794, 131572, 151256, 259588, 263144, 343027, 519176, 686054, 1372108, 2401189, 2744216, 4802378, 9604756, 19209512]

約数ペア:

[(1, 19209512), (2, 9604756), (4, 4802378), (7, 2744216), (8, 2401189), (14, 1372108), (28, 686054), (37, 519176), (56, 343027), (73, 263144), (74, 259588), (127, 151256), (146, 131572), (148, 129794), (254, 75628), (259, 74168), (292, 65786), (296, 64897), (508, 37814), (511, 37592), (518, 37084), (584, 32893), (889, 21608), (1016, 18907), (1022, 18796), (1036, 18542), (1778, 10804), (2044, 9398), (2072, 9271), (2701, 7112), (3556, 5402), (4088, 4699)]