18804742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4051}}^1$

素因数の和:4275

約数の個数: 16

約数和(自身を含む): 30924864

約数和(自身を除く): 12120122

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4051, 4642, 8102, 44561, 89122, 854761, 1709522, 9402371, 18804742]

約数ペア:

[(1, 18804742), (2, 9402371), (11, 1709522), (22, 854761), (211, 89122), (422, 44561), (2321, 8102), (4051, 4642)]