16981188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1789}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 45709440

約数和(自身を除く): 28728252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 113, 226, 339, 452, 678, 791, 1356, 1582, 1789, 2373, 3164, 3578, 4746, 5367, 7156, 9492, 10734, 12523, 21468, 25046, 37569, 50092, 75138, 150276, 202157, 404314, 606471, 808628, 1212942, 1415099, 2425884, 2830198, 4245297, 5660396, 8490594, 16981188]

約数ペア:

[(1, 16981188), (2, 8490594), (3, 5660396), (4, 4245297), (6, 2830198), (7, 2425884), (12, 1415099), (14, 1212942), (21, 808628), (28, 606471), (42, 404314), (84, 202157), (113, 150276), (226, 75138), (339, 50092), (452, 37569), (678, 25046), (791, 21468), (1356, 12523), (1582, 10734), (1789, 9492), (2373, 7156), (3164, 5367), (3578, 4746)]