17942197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2777}}^1$

素因数の和:2868

約数の個数: 16

約数和(自身を含む): 22401792

約数和(自身を除く): 4459595

約数列:

[1, 7, 13, 71, 91, 497, 923, 2777, 6461, 19439, 36101, 197167, 252707, 1380169, 2563171, 17942197]

約数ペア:

[(1, 17942197), (7, 2563171), (13, 1380169), (71, 252707), (91, 197167), (497, 36101), (923, 19439), (2777, 6461)]