18898748

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39047}}^1$

素因数の和:39073

約数の個数: 18

約数和(自身を含む): 36353688

約数和(自身を除く): 17454940

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39047, 78094, 156188, 429517, 859034, 1718068, 4724687, 9449374, 18898748]

約数ペア:

[(1, 18898748), (2, 9449374), (4, 4724687), (11, 1718068), (22, 859034), (44, 429517), (121, 156188), (242, 78094), (484, 39047)]