19785633

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21911}}^1$

素因数の和:21964

約数の個数: 16

約数和(自身を含む): 30852096

約数和(自身を除く): 11066463

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21911, 65733, 153377, 460131, 942173, 2826519, 6595211, 19785633]

約数ペア:

[(1, 19785633), (3, 6595211), (7, 2826519), (21, 942173), (43, 460131), (129, 153377), (301, 65733), (903, 21911)]