19789861

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7499}}^1$

素因数の和:7548

約数の個数: 16

約数和(自身を含む): 25200000

約数和(自身を除く): 5410139

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7499, 52493, 97487, 217471, 682409, 1522297, 2827123, 19789861]

約数ペア:

[(1, 19789861), (7, 2827123), (13, 1522297), (29, 682409), (91, 217471), (203, 97487), (377, 52493), (2639, 7499)]