18704836

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{42901}}^1$

素因数の和:43014

約数の個数: 12

約数和(自身を含む): 33034540

約数和(自身を除く): 14329704

約数列:

[1, 2, 4, 109, 218, 436, 42901, 85802, 171604, 4676209, 9352418, 18704836]

約数ペア:

[(1, 18704836), (2, 9352418), (4, 4676209), (109, 171604), (218, 85802), (436, 42901)]