17940138

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 20048214

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 1831, 3266, 3662, 4899, 5493, 9798, 10986, 42113, 84226, 126339, 130001, 252678, 260002, 390003, 780006, 2990023, 5980046, 8970069, 17940138]

約数ペア:

[(1, 17940138), (2, 8970069), (3, 5980046), (6, 2990023), (23, 780006), (46, 390003), (69, 260002), (71, 252678), (138, 130001), (142, 126339), (213, 84226), (426, 42113), (1633, 10986), (1831, 9798), (3266, 5493), (3662, 4899)]