19844216

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 47278080

約数和(自身を除く): 27433864

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 49, 56, 62, 71, 92, 98, 124, 142, 161, 184, 196, 217, 248, 284, 322, 392, 434, 497, 568, 644, 713, 868, 994, 1127, 1288, 1426, 1519, 1633, 1736, 1988, 2201, 2254, 2852, 3038, 3266, 3479, 3976, 4402, 4508, 4991, 5704, 6076, 6532, 6958, 8804, 9016, 9982, 11431, 12152, 13064, 13916, 15407, 17608, 19964, 22862, 27832, 30814, 34937, 39928, 45724, 50623, 61628, 69874, 80017, 91448, 101246, 107849, 123256, 139748, 160034, 202492, 215698, 279496, 320068, 354361, 404984, 431396, 640136, 708722, 862792, 1417444, 2480527, 2834888, 4961054, 9922108, 19844216]

約数ペア:

[(1, 19844216), (2, 9922108), (4, 4961054), (7, 2834888), (8, 2480527), (14, 1417444), (23, 862792), (28, 708722), (31, 640136), (46, 431396), (49, 404984), (56, 354361), (62, 320068), (71, 279496), (92, 215698), (98, 202492), (124, 160034), (142, 139748), (161, 123256), (184, 107849), (196, 101246), (217, 91448), (248, 80017), (284, 69874), (322, 61628), (392, 50623), (434, 45724), (497, 39928), (568, 34937), (644, 30814), (713, 27832), (868, 22862), (994, 19964), (1127, 17608), (1288, 15407), (1426, 13916), (1519, 13064), (1633, 12152), (1736, 11431), (1988, 9982), (2201, 9016), (2254, 8804), (2852, 6958), (3038, 6532), (3266, 6076), (3479, 5704), (3976, 4991), (4402, 4508)]