18670718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22937}}^1$

素因数の和:22987

約数の個数: 16

約数和(自身を含む): 31379184

約数和(自身を除く): 12708466

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22937, 45874, 252307, 504614, 848669, 1697338, 9335359, 18670718]

約数ペア:

[(1, 18670718), (2, 9335359), (11, 1697338), (22, 848669), (37, 504614), (74, 252307), (407, 45874), (814, 22937)]