19816846

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61543}}^1$

素因数の和:61575

約数の個数: 16

約数和(自身を含む): 35449344

約数和(自身を除く): 15632498

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61543, 123086, 430801, 861602, 1415489, 2830978, 9908423, 19816846]

約数ペア:

[(1, 19816846), (2, 9908423), (7, 2830978), (14, 1415489), (23, 861602), (46, 430801), (161, 123086), (322, 61543)]