19712702

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3083}}^1$

素因数の和:3247

約数の個数: 16

約数和(自身を含む): 31086720

約数和(自身を除く): 11374018

約数列:

[1, 2, 23, 46, 139, 278, 3083, 3197, 6166, 6394, 70909, 141818, 428537, 857074, 9856351, 19712702]

約数ペア:

[(1, 19712702), (2, 9856351), (23, 857074), (46, 428537), (139, 141818), (278, 70909), (3083, 6394), (3197, 6166)]