18145701

素因数分解:

$3^4\times 7^1\times {\mathrm{32003}}^1$

素因数の和:32022

約数の個数: 20

約数和(自身を含む): 30979872

約数和(自身を除く): 12834171

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32003, 96009, 224021, 288027, 672063, 864081, 2016189, 2592243, 6048567, 18145701]

約数ペア:

[(1, 18145701), (3, 6048567), (7, 2592243), (9, 2016189), (21, 864081), (27, 672063), (63, 288027), (81, 224021), (189, 96009), (567, 32003)]