18715887

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1579}}^1$

素因数の和:2027

約数の個数: 16

約数和(自身を含む): 27808000

約数和(自身を除く): 9092113

約数列:

[1, 3, 9, 27, 439, 1317, 1579, 3951, 4737, 11853, 14211, 42633, 693181, 2079543, 6238629, 18715887]

約数ペア:

[(1, 18715887), (3, 6238629), (9, 2079543), (27, 693181), (439, 42633), (1317, 14211), (1579, 11853), (3951, 4737)]