19704902

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{45403}}^1$

素因数の和:45443

約数の個数: 16

約数和(自身を含む): 34870272

約数和(自身を除く): 15165370

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 45403, 90806, 317821, 635642, 1407493, 2814986, 9852451, 19704902]

約数ペア:

[(1, 19704902), (2, 9852451), (7, 2814986), (14, 1407493), (31, 635642), (62, 317821), (217, 90806), (434, 45403)]