19462520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36524680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 89, 110, 140, 142, 154, 178, 220, 280, 284, 308, 355, 356, 385, 440, 445, 497, 568, 616, 623, 710, 712, 770, 781, 890, 979, 994, 1246, 1420, 1540, 1562, 1780, 1958, 1988, 2485, 2492, 2840, 3080, 3115, 3124, 3560, 3905, 3916, 3976, 4895, 4970, 4984, 5467, 6230, 6248, 6319, 6853, 7810, 7832, 9790, 9940, 10934, 12460, 12638, 13706, 15620, 19580, 19880, 21868, 24920, 25276, 27335, 27412, 31240, 31595, 34265, 39160, 43736, 44233, 50552, 54670, 54824, 63190, 68530, 69509, 88466, 109340, 126380, 137060, 139018, 176932, 218680, 221165, 252760, 274120, 278036, 347545, 353864, 442330, 486563, 556072, 695090, 884660, 973126, 1390180, 1769320, 1946252, 2432815, 2780360, 3892504, 4865630, 9731260, 19462520]

約数ペア:

[(1, 19462520), (2, 9731260), (4, 4865630), (5, 3892504), (7, 2780360), (8, 2432815), (10, 1946252), (11, 1769320), (14, 1390180), (20, 973126), (22, 884660), (28, 695090), (35, 556072), (40, 486563), (44, 442330), (55, 353864), (56, 347545), (70, 278036), (71, 274120), (77, 252760), (88, 221165), (89, 218680), (110, 176932), (140, 139018), (142, 137060), (154, 126380), (178, 109340), (220, 88466), (280, 69509), (284, 68530), (308, 63190), (355, 54824), (356, 54670), (385, 50552), (440, 44233), (445, 43736), (497, 39160), (568, 34265), (616, 31595), (623, 31240), (710, 27412), (712, 27335), (770, 25276), (781, 24920), (890, 21868), (979, 19880), (994, 19580), (1246, 15620), (1420, 13706), (1540, 12638), (1562, 12460), (1780, 10934), (1958, 9940), (1988, 9790), (2485, 7832), (2492, 7810), (2840, 6853), (3080, 6319), (3115, 6248), (3124, 6230), (3560, 5467), (3905, 4984), (3916, 4970), (3976, 4895)]