17681989

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4211}}^1$

素因数の和:4260

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 3546491

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4211, 54743, 71587, 80009, 930631, 1040117, 1360153, 17681989]

約数ペア:

[(1, 17681989), (13, 1360153), (17, 1040117), (19, 930631), (221, 80009), (247, 71587), (323, 54743), (4199, 4211)]