18559449

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7901}}^1$

素因数の和:7942

約数の個数: 20

約数和(自身を含む): 28684260

約数和(自身を除く): 10124811

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7901, 23703, 71109, 213327, 229129, 639981, 687387, 2062161, 6186483, 18559449]

約数ペア:

[(1, 18559449), (3, 6186483), (9, 2062161), (27, 687387), (29, 639981), (81, 229129), (87, 213327), (261, 71109), (783, 23703), (2349, 7901)]