19748464

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3557}}^1$

素因数の和:3912

約数の個数: 20

約数和(自身を含む): 38383704

約数和(自身を除く): 18635240

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3557, 5552, 7114, 14228, 28456, 56912, 1234279, 2468558, 4937116, 9874232, 19748464]

約数ペア:

[(1, 19748464), (2, 9874232), (4, 4937116), (8, 2468558), (16, 1234279), (347, 56912), (694, 28456), (1388, 14228), (2776, 7114), (3557, 5552)]