19089231

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22171}}^1$

素因数の和:22222

約数の個数: 16

約数和(自身を含む): 29799168

約数和(自身を除く): 10709937

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 22171, 66513, 155197, 465591, 909011, 2727033, 6363077, 19089231]

約数ペア:

[(1, 19089231), (3, 6363077), (7, 2727033), (21, 909011), (41, 465591), (123, 155197), (287, 66513), (861, 22171)]