19491327

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31387}}^1$

素因数の和:31419

約数の個数: 16

約数和(自身を含む): 30132480

約数和(自身を除く): 10641153

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 31387, 94161, 282483, 721901, 847449, 2165703, 6497109, 19491327]

約数ペア:

[(1, 19491327), (3, 6497109), (9, 2165703), (23, 847449), (27, 721901), (69, 282483), (207, 94161), (621, 31387)]