1680976816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5529529}}^1$

素因数の和:5529556

約数の個数: 20

約数和(自身を含む): 3428308600

約数和(自身を除く): 1747331784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5529529, 11059058, 22118116, 44236232, 88472464, 105061051, 210122102, 420244204, 840488408, 1680976816]

約数ペア:

[(1, 1680976816), (2, 840488408), (4, 420244204), (8, 210122102), (16, 105061051), (19, 88472464), (38, 44236232), (76, 22118116), (152, 11059058), (304, 5529529)]