18315583

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 21643776

約数和(自身を除く): 3328193

約数列:

[1, 11, 13, 143, 263, 487, 2893, 3419, 5357, 6331, 37609, 69641, 128081, 1408891, 1665053, 18315583]

約数ペア:

[(1, 18315583), (11, 1665053), (13, 1408891), (143, 128081), (263, 69641), (487, 37609), (2893, 6331), (3419, 5357)]