18813735

素因数分解:

$3^3\times 5^1\times {\mathrm{139361}}^1$

素因数の和:139375

約数の個数: 16

約数和(自身を含む): 33446880

約数和(自身を除く): 14633145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139361, 418083, 696805, 1254249, 2090415, 3762747, 6271245, 18813735]

約数ペア:

[(1, 18813735), (3, 6271245), (5, 3762747), (9, 2090415), (15, 1254249), (27, 696805), (45, 418083), (135, 139361)]