18849141

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{353}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 28992600

約数和(自身を除く): 10143459

約数列:

[1, 3, 9, 17, 51, 153, 349, 353, 1047, 1059, 3141, 3177, 5933, 6001, 17799, 18003, 53397, 54009, 123197, 369591, 1108773, 2094349, 6283047, 18849141]

約数ペア:

[(1, 18849141), (3, 6283047), (9, 2094349), (17, 1108773), (51, 369591), (153, 123197), (349, 54009), (353, 53397), (1047, 18003), (1059, 17799), (3141, 6001), (3177, 5933)]