18539973981

素因数分解:

$3^3\times {\mathrm{1129}}^1\times {\mathrm{608207}}^1$

素因数の和:609345

約数の個数: 16

約数和(自身を含む): 27491001600

約数和(自身を除く): 8951027619

約数列:

[1, 3, 9, 27, 1129, 3387, 10161, 30483, 608207, 1824621, 5473863, 16421589, 686665703, 2059997109, 6179991327, 18539973981]

約数ペア:

[(1, 18539973981), (3, 6179991327), (9, 2059997109), (27, 686665703), (1129, 16421589), (3387, 5473863), (10161, 1824621), (30483, 608207)]