19112639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 4595521

約数列:

[1, 7, 13, 91, 139, 973, 1511, 1807, 10577, 12649, 19643, 137501, 210029, 1470203, 2730377, 19112639]

約数ペア:

[(1, 19112639), (7, 2730377), (13, 1470203), (91, 210029), (139, 137501), (973, 19643), (1511, 12649), (1807, 10577)]