18667887

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52291}}^1$

素因数の和:52318

約数の個数: 16

約数和(自身を含む): 30120192

約数和(自身を除く): 11452305

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52291, 156873, 366037, 888947, 1098111, 2666841, 6222629, 18667887]

約数ペア:

[(1, 18667887), (3, 6222629), (7, 2666841), (17, 1098111), (21, 888947), (51, 366037), (119, 156873), (357, 52291)]