19701506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12613}}^1$

素因数の和:12697

約数の個数: 16

約数和(自身を含む): 32695488

約数和(自身を除く): 12993982

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12613, 25226, 138743, 277486, 895523, 1791046, 9850753, 19701506]

約数ペア:

[(1, 19701506), (2, 9850753), (11, 1791046), (22, 895523), (71, 277486), (142, 138743), (781, 25226), (1562, 12613)]