18869517

素因数分解:

$3^4\times {\mathrm{29}}^2\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 30

約数和(自身を含む): 29298698

約数和(自身を除く): 10429181

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 277, 783, 831, 841, 2349, 2493, 2523, 7479, 7569, 8033, 22437, 22707, 24099, 68121, 72297, 216891, 232957, 650673, 698871, 2096613, 6289839, 18869517]

約数ペア:

[(1, 18869517), (3, 6289839), (9, 2096613), (27, 698871), (29, 650673), (81, 232957), (87, 216891), (261, 72297), (277, 68121), (783, 24099), (831, 22707), (841, 22437), (2349, 8033), (2493, 7569), (2523, 7479)]