18837441

素因数分解:

$3^4\times 7^1\times {\mathrm{33223}}^1$

素因数の和:33242

約数の個数: 20

約数和(自身を含む): 32160832

約数和(自身を除く): 13323391

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33223, 99669, 232561, 299007, 697683, 897021, 2093049, 2691063, 6279147, 18837441]

約数ペア:

[(1, 18837441), (3, 6279147), (7, 2691063), (9, 2093049), (21, 897021), (27, 697683), (63, 299007), (81, 232561), (189, 99669), (567, 33223)]