18418161

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{787}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 25531200

約数和(自身を除く): 7113039

約数列:

[1, 3, 29, 87, 269, 787, 807, 2361, 7801, 22823, 23403, 68469, 211703, 635109, 6139387, 18418161]

約数ペア:

[(1, 18418161), (3, 6139387), (29, 635109), (87, 211703), (269, 68469), (787, 23403), (807, 22823), (2361, 7801)]