18486981

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36037}}^1$

素因数の和:36065

約数の個数: 16

約数和(自身を含む): 28830400

約数和(自身を除く): 10343419

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36037, 108111, 324333, 684703, 972999, 2054109, 6162327, 18486981]

約数ペア:

[(1, 18486981), (3, 6162327), (9, 2054109), (19, 972999), (27, 684703), (57, 324333), (171, 108111), (513, 36037)]