16880816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{55529}}^1$

素因数の和:55556

約数の個数: 20

約数和(自身を含む): 34428600

約数和(自身を除く): 17547784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 55529, 111058, 222116, 444232, 888464, 1055051, 2110102, 4220204, 8440408, 16880816]

約数ペア:

[(1, 16880816), (2, 8440408), (4, 4220204), (8, 2110102), (16, 1055051), (19, 888464), (38, 444232), (76, 222116), (152, 111058), (304, 55529)]