18155128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{55351}}^1$

素因数の和:55398

約数の個数: 16

約数和(自身を含む): 34871760

約数和(自身を除く): 16716632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 55351, 110702, 221404, 442808, 2269391, 4538782, 9077564, 18155128]

約数ペア:

[(1, 18155128), (2, 9077564), (4, 4538782), (8, 2269391), (41, 442808), (82, 221404), (164, 110702), (328, 55351)]