18054009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11731}}^1$

素因数の和:11762

約数の個数: 20

約数和(自身を含む): 28391440

約数和(自身を除く): 10337431

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11731, 35193, 105579, 222889, 316737, 668667, 950211, 2006001, 6018003, 18054009]

約数ペア:

[(1, 18054009), (3, 6018003), (9, 2006001), (19, 950211), (27, 668667), (57, 316737), (81, 222889), (171, 105579), (513, 35193), (1539, 11731)]