19982098

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10715822

約数列:

[1, 2, 71, 109, 142, 218, 1291, 2582, 7739, 15478, 91661, 140719, 183322, 281438, 9991049, 19982098]

約数ペア:

[(1, 19982098), (2, 9991049), (71, 281438), (109, 183322), (142, 140719), (218, 91661), (1291, 15478), (2582, 7739)]