18804945

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1423}}^1$

素因数の和:2312

約数の個数: 16

約数和(自身を含む): 30143232

約数和(自身を除く): 11338287

約数列:

[1, 3, 5, 15, 881, 1423, 2643, 4269, 4405, 7115, 13215, 21345, 1253663, 3760989, 6268315, 18804945]

約数ペア:

[(1, 18804945), (3, 6268315), (5, 3760989), (15, 1253663), (881, 21345), (1423, 13215), (2643, 7115), (4269, 4405)]