19905224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80263}}^1$

素因数の和:80300

約数の個数: 16

約数和(自身を含む): 38526720

約数和(自身を除く): 18621496

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80263, 160526, 321052, 642104, 2488153, 4976306, 9952612, 19905224]

約数ペア:

[(1, 19905224), (2, 9952612), (4, 4976306), (8, 2488153), (31, 642104), (62, 321052), (124, 160526), (248, 80263)]