18768008

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4591}}^1$

素因数の和:4677

約数の個数: 32

約数和(自身を含む): 40776960

約数和(自身を除く): 22008952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4591, 9182, 18364, 32137, 36728, 64274, 128548, 257096, 335143, 670286, 1340572, 2346001, 2681144, 4692002, 9384004, 18768008]

約数ペア:

[(1, 18768008), (2, 9384004), (4, 4692002), (7, 2681144), (8, 2346001), (14, 1340572), (28, 670286), (56, 335143), (73, 257096), (146, 128548), (292, 64274), (511, 36728), (584, 32137), (1022, 18364), (2044, 9182), (4088, 4591)]