18442690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{541}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 38087424

約数和(自身を除く): 19644734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 541, 974, 1082, 2435, 2705, 3409, 3787, 4870, 5410, 6818, 7574, 17045, 18935, 34090, 37870, 263467, 526934, 1317335, 1844269, 2634670, 3688538, 9221345, 18442690]

約数ペア:

[(1, 18442690), (2, 9221345), (5, 3688538), (7, 2634670), (10, 1844269), (14, 1317335), (35, 526934), (70, 263467), (487, 37870), (541, 34090), (974, 18935), (1082, 17045), (2435, 7574), (2705, 6818), (3409, 5410), (3787, 4870)]