18890403

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1559}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 28853760

約数和(自身を除く): 9963357

約数列:

[1, 3, 7, 21, 577, 1559, 1731, 4039, 4677, 10913, 12117, 32739, 899543, 2698629, 6296801, 18890403]

約数ペア:

[(1, 18890403), (3, 6296801), (7, 2698629), (21, 899543), (577, 32739), (1559, 12117), (1731, 10913), (4039, 4677)]