19722608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64877}}^1$

素因数の和:64904

約数の個数: 20

約数和(自身を含む): 40224360

約数和(自身を除く): 20501752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64877, 129754, 259508, 519016, 1038032, 1232663, 2465326, 4930652, 9861304, 19722608]

約数ペア:

[(1, 19722608), (2, 9861304), (4, 4930652), (8, 2465326), (16, 1232663), (19, 1038032), (38, 519016), (76, 259508), (152, 129754), (304, 64877)]