18884957

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 23425920

約数和(自身を除く): 4540963

約数列:

[1, 7, 13, 91, 139, 973, 1493, 1807, 10451, 12649, 19409, 135863, 207527, 1452689, 2697851, 18884957]

約数ペア:

[(1, 18884957), (7, 2697851), (13, 1452689), (91, 207527), (139, 135863), (973, 19409), (1493, 12649), (1807, 10451)]