18927987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28549}}^1$

素因数の和:28582

約数の個数: 16

約数和(自身を含む): 28778400

約数和(自身を除く): 9850413

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28549, 85647, 371137, 485333, 1113411, 1455999, 6309329, 18927987]

約数ペア:

[(1, 18927987), (3, 6309329), (13, 1455999), (17, 1113411), (39, 485333), (51, 371137), (221, 85647), (663, 28549)]