18747651

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28277}}^1$

素因数の和:28310

約数の個数: 16

約数和(自身を含む): 28504224

約数和(自身を除く): 9756573

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28277, 84831, 367601, 480709, 1102803, 1442127, 6249217, 18747651]

約数ペア:

[(1, 18747651), (3, 6249217), (13, 1442127), (17, 1102803), (39, 480709), (51, 367601), (221, 84831), (663, 28277)]