19970854

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{10589}}^1$

素因数の和:10655

約数の個数: 16

約数和(自身を含む): 32024160

約数和(自身を除く): 12053306

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 10589, 21178, 243547, 434149, 487094, 868298, 9985427, 19970854]

約数ペア:

[(1, 19970854), (2, 9985427), (23, 868298), (41, 487094), (46, 434149), (82, 243547), (943, 21178), (1886, 10589)]