19991567266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{8336767}}^1$

素因数の和:8336889

約数の個数: 16

約数和(自身を含む): 33013601280

約数和(自身を除く): 13022034014

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 8336767, 16673534, 91704437, 183408874, 908707603, 1817415206, 9995783633, 19991567266]

約数ペア:

[(1, 19991567266), (2, 9995783633), (11, 1817415206), (22, 908707603), (109, 183408874), (218, 91704437), (1199, 16673534), (2398, 8336767)]