18882585

素因数分解:

$3^3\times 5^1\times {\mathrm{139871}}^1$

素因数の和:139885

約数の個数: 16

約数和(自身を含む): 33569280

約数和(自身を除く): 14686695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139871, 419613, 699355, 1258839, 2098065, 3776517, 6294195, 18882585]

約数ペア:

[(1, 18882585), (3, 6294195), (5, 3776517), (9, 2098065), (15, 1258839), (27, 699355), (45, 419613), (135, 139871)]