19648528

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3539}}^1$

素因数の和:3894

約数の個数: 20

約数和(自身を含む): 38189520

約数和(自身を除く): 18540992

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3539, 5552, 7078, 14156, 28312, 56624, 1228033, 2456066, 4912132, 9824264, 19648528]

約数ペア:

[(1, 19648528), (2, 9824264), (4, 4912132), (8, 2456066), (16, 1228033), (347, 56624), (694, 28312), (1388, 14156), (2776, 7078), (3539, 5552)]