19968091

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2971}}^1$

素因数の和:3042

約数の個数: 16

約数和(自身を含む): 23966208

約数和(自身を除く): 3998117

約数列:

[1, 11, 13, 47, 143, 517, 611, 2971, 6721, 32681, 38623, 139637, 424853, 1536007, 1815281, 19968091]

約数ペア:

[(1, 19968091), (11, 1815281), (13, 1536007), (47, 424853), (143, 139637), (517, 38623), (611, 32681), (2971, 6721)]