18655604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{423991}}^1$

素因数の和:424006

約数の個数: 12

約数和(自身を含む): 35615328

約数和(自身を除く): 16959724

約数列:

[1, 2, 4, 11, 22, 44, 423991, 847982, 1695964, 4663901, 9327802, 18655604]

約数ペア:

[(1, 18655604), (2, 9327802), (4, 4663901), (11, 1695964), (22, 847982), (44, 423991)]