18515156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{420799}}^1$

素因数の和:420814

約数の個数: 12

約数和(自身を含む): 35347200

約数和(自身を除く): 16832044

約数列:

[1, 2, 4, 11, 22, 44, 420799, 841598, 1683196, 4628789, 9257578, 18515156]

約数ペア:

[(1, 18515156), (2, 9257578), (4, 4628789), (11, 1683196), (22, 841598), (44, 420799)]