18994287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28649}}^1$

素因数の和:28682

約数の個数: 16

約数和(自身を含む): 28879200

約数和(自身を除く): 9884913

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28649, 85947, 372437, 487033, 1117311, 1461099, 6331429, 18994287]

約数ペア:

[(1, 18994287), (3, 6331429), (13, 1461099), (17, 1117311), (39, 487033), (51, 372437), (221, 85947), (663, 28649)]