18089397

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 26838240

約数和(自身を除く): 8748843

約数列:

[1, 3, 9, 67, 131, 201, 229, 393, 603, 687, 1179, 2061, 8777, 15343, 26331, 29999, 46029, 78993, 89997, 138087, 269991, 2009933, 6029799, 18089397]

約数ペア:

[(1, 18089397), (3, 6029799), (9, 2009933), (67, 269991), (131, 138087), (201, 89997), (229, 78993), (393, 46029), (603, 29999), (687, 26331), (1179, 15343), (2061, 8777)]