18204179

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 21466368

約数和(自身を除く): 3262189

約数列:

[1, 7, 43, 197, 301, 307, 1379, 2149, 8471, 13201, 59297, 60479, 92407, 423353, 2600597, 18204179]

約数ペア:

[(1, 18204179), (7, 2600597), (43, 423353), (197, 92407), (301, 60479), (307, 59297), (1379, 13201), (2149, 8471)]