19757782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39047}}^1$

素因数の和:39083

約数の個数: 16

約数和(自身を含む): 33737472

約数和(自身を除く): 13979690

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39047, 78094, 429517, 859034, 898081, 1796162, 9878891, 19757782]

約数ペア:

[(1, 19757782), (2, 9878891), (11, 1796162), (22, 898081), (23, 859034), (46, 429517), (253, 78094), (506, 39047)]