18157898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{22307}}^1$

素因数の和:22357

約数の個数: 16

約数和(自身を含む): 30517344

約数和(自身を除く): 12359446

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 22307, 44614, 245377, 490754, 825359, 1650718, 9078949, 18157898]

約数ペア:

[(1, 18157898), (2, 9078949), (11, 1650718), (22, 825359), (37, 490754), (74, 245377), (407, 44614), (814, 22307)]