18866007

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{2111}}^1$

素因数の和:2451

約数の個数: 16

約数和(自身を含む): 28047360

約数和(自身を除く): 9181353

約数列:

[1, 3, 9, 27, 331, 993, 2111, 2979, 6333, 8937, 18999, 56997, 698741, 2096223, 6288669, 18866007]

約数ペア:

[(1, 18866007), (3, 6288669), (9, 2096223), (27, 698741), (331, 56997), (993, 18999), (2111, 8937), (2979, 6333)]