19847278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{2677}}^1$

素因数の和:3027

約数の個数: 16

約数和(自身を含む): 32585904

約数和(自身を除く): 12738626

約数列:

[1, 2, 11, 22, 337, 674, 2677, 3707, 5354, 7414, 29447, 58894, 902149, 1804298, 9923639, 19847278]

約数ペア:

[(1, 19847278), (2, 9923639), (11, 1804298), (22, 902149), (337, 58894), (674, 29447), (2677, 7414), (3707, 5354)]