19142123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1471}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 25860096

約数和(自身を除く): 6717973

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1471, 1859, 10297, 13013, 16181, 19123, 113267, 133861, 210353, 248599, 1472471, 1740193, 2734589, 19142123]

約数ペア:

[(1, 19142123), (7, 2734589), (11, 1740193), (13, 1472471), (77, 248599), (91, 210353), (143, 133861), (169, 113267), (1001, 19123), (1183, 16181), (1471, 13013), (1859, 10297)]