19017789

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4597}}^1$

素因数の和:4804

約数の個数: 16

約数和(自身を含む): 29132928

約数和(自身を除く): 10115139

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 4597, 13791, 32179, 96537, 905609, 2716827, 6339263, 19017789]

約数ペア:

[(1, 19017789), (3, 6339263), (7, 2716827), (21, 905609), (197, 96537), (591, 32179), (1379, 13791), (4137, 4597)]