12821418728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{84351439}}^1$

素因数の和:84351464

約数の個数: 16

約数和(自身を含む): 25305432000

約数和(自身を除く): 12484013272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 84351439, 168702878, 337405756, 674811512, 1602677341, 3205354682, 6410709364, 12821418728]

約数ペア:

[(1, 12821418728), (2, 6410709364), (4, 3205354682), (8, 1602677341), (19, 674811512), (38, 337405756), (76, 168702878), (152, 84351439)]