17967992

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{643}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 38640000

約数和(自身を除く): 20672008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 643, 998, 1286, 1996, 2572, 3493, 3992, 4501, 5144, 6986, 9002, 13972, 18004, 27944, 36008, 320857, 641714, 1283428, 2245999, 2566856, 4491998, 8983996, 17967992]

約数ペア:

[(1, 17967992), (2, 8983996), (4, 4491998), (7, 2566856), (8, 2245999), (14, 1283428), (28, 641714), (56, 320857), (499, 36008), (643, 27944), (998, 18004), (1286, 13972), (1996, 9002), (2572, 6986), (3493, 5144), (3992, 4501)]