19821178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2713}}^1$

素因数の和:3009

約数の個数: 16

約数和(自身を含む): 32144616

約数和(自身を除く): 12323438

約数列:

[1, 2, 13, 26, 281, 562, 2713, 3653, 5426, 7306, 35269, 70538, 762353, 1524706, 9910589, 19821178]

約数ペア:

[(1, 19821178), (2, 9910589), (13, 1524706), (26, 762353), (281, 70538), (562, 35269), (2713, 7306), (3653, 5426)]