2019913917

素因数分解:

$3^1\times 7^2\times {\mathrm{13740911}}^1$

素因数の和:13740928

約数の個数: 12

約数和(自身を含む): 3132927936

約数和(自身を除く): 1113014019

約数列:

[1, 3, 7, 21, 49, 147, 13740911, 41222733, 96186377, 288559131, 673304639, 2019913917]

約数ペア:

[(1, 2019913917), (3, 673304639), (7, 288559131), (21, 96186377), (49, 41222733), (147, 13740911)]