18669189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80819}}^1$

素因数の和:80840

約数の個数: 16

約数和(自身を含む): 31034880

約数和(自身を除く): 12365691

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80819, 242457, 565733, 889009, 1697199, 2667027, 6223063, 18669189]

約数ペア:

[(1, 18669189), (3, 6223063), (7, 2667027), (11, 1697199), (21, 889009), (33, 565733), (77, 242457), (231, 80819)]