2019978994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{616223}}^1$

素因数の和:616385

約数の個数: 16

約数和(自身を含む): 3327609600

約数和(自身を除く): 1307630606

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 616223, 1232446, 6778453, 13556906, 91817227, 183634454, 1009989497, 2019978994]

約数ペア:

[(1, 2019978994), (2, 1009989497), (11, 183634454), (22, 91817227), (149, 13556906), (298, 6778453), (1639, 1232446), (3278, 616223)]