19709942

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61211}}^1$

素因数の和:61243

約数の個数: 16

約数和(自身を含む): 35258112

約数和(自身を除く): 15548170

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61211, 122422, 428477, 856954, 1407853, 2815706, 9854971, 19709942]

約数ペア:

[(1, 19709942), (2, 9854971), (7, 2815706), (14, 1407853), (23, 856954), (46, 428477), (161, 122422), (322, 61211)]