18356961

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6883}}^1$

素因数の和:7020

約数の個数: 16

約数和(自身を含む): 28196864

約数和(自身を除く): 9839903

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 6883, 20649, 48181, 144543, 874141, 2622423, 6118987, 18356961]

約数ペア:

[(1, 18356961), (3, 6118987), (7, 2622423), (21, 874141), (127, 144543), (381, 48181), (889, 20649), (2667, 6883)]