19909694

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13807}}^1$

素因数の和:13919

約数の個数: 16

約数和(自身を含む): 34464768

約数和(自身を除く): 14555074

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 13807, 27614, 96649, 193298, 1422121, 2844242, 9954847, 19909694]

約数ペア:

[(1, 19909694), (2, 9954847), (7, 2844242), (14, 1422121), (103, 193298), (206, 96649), (721, 27614), (1442, 13807)]