19977006

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 29443794

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 294, 343, 357, 571, 686, 714, 833, 1029, 1142, 1666, 1713, 2058, 2499, 3426, 3997, 4998, 5831, 7994, 9707, 11662, 11991, 17493, 19414, 23982, 27979, 29121, 34986, 55958, 58242, 67949, 83937, 135898, 167874, 195853, 203847, 391706, 407694, 475643, 587559, 951286, 1175118, 1426929, 2853858, 3329501, 6659002, 9988503, 19977006]

約数ペア:

[(1, 19977006), (2, 9988503), (3, 6659002), (6, 3329501), (7, 2853858), (14, 1426929), (17, 1175118), (21, 951286), (34, 587559), (42, 475643), (49, 407694), (51, 391706), (98, 203847), (102, 195853), (119, 167874), (147, 135898), (238, 83937), (294, 67949), (343, 58242), (357, 55958), (571, 34986), (686, 29121), (714, 27979), (833, 23982), (1029, 19414), (1142, 17493), (1666, 11991), (1713, 11662), (2058, 9707), (2499, 7994), (3426, 5831), (3997, 4998)]