19394487

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1459}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 32190080

約数和(自身を除く): 12795593

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1459, 1477, 1899, 4377, 4431, 10213, 13131, 13293, 30639, 91917, 307849, 923547, 2154943, 2770641, 6464829, 19394487]

約数ペア:

[(1, 19394487), (3, 6464829), (7, 2770641), (9, 2154943), (21, 923547), (63, 307849), (211, 91917), (633, 30639), (1459, 13293), (1477, 13131), (1899, 10213), (4377, 4431)]