1680208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5527}}^1$

素因数の和:5554

約数の個数: 20

約数和(自身を含む): 3427360

約数和(自身を除く): 1747152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5527, 11054, 22108, 44216, 88432, 105013, 210026, 420052, 840104, 1680208]

約数ペア:

[(1, 1680208), (2, 840104), (4, 420052), (8, 210026), (16, 105013), (19, 88432), (38, 44216), (76, 22108), (152, 11054), (304, 5527)]