19128710

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7621}}^1$

素因数の和:7879

約数の個数: 16

約数和(自身を含む): 34573392

約数和(自身を除く): 15444682

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 7621, 15242, 38105, 76210, 1912871, 3825742, 9564355, 19128710]

約数ペア:

[(1, 19128710), (2, 9564355), (5, 3825742), (10, 1912871), (251, 76210), (502, 38105), (1255, 15242), (2510, 7621)]