19911466

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 30393000

約数和(自身を除く): 10481534

約数列:

[1, 2, 109, 149, 218, 298, 613, 1226, 16241, 32482, 66817, 91337, 133634, 182674, 9955733, 19911466]

約数ペア:

[(1, 19911466), (2, 9955733), (109, 182674), (149, 133634), (218, 91337), (298, 66817), (613, 32482), (1226, 16241)]