19089027

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{509}}^1$

素因数の和:984

約数の個数: 20

約数和(自身を含む): 28633440

約数和(自身を除く): 9544413

約数列:

[1, 3, 9, 27, 81, 463, 509, 1389, 1527, 4167, 4581, 12501, 13743, 37503, 41229, 235667, 707001, 2121003, 6363009, 19089027]

約数ペア:

[(1, 19089027), (3, 6363009), (9, 2121003), (27, 707001), (81, 235667), (463, 41229), (509, 37503), (1389, 13743), (1527, 12501), (4167, 4581)]