19998315

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12011}}^1$

素因数の和:12059

約数の個数: 24

約数和(自身を含む): 35603568

約数和(自身を除く): 15605253

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 12011, 36033, 60055, 108099, 180165, 444407, 540495, 1333221, 2222035, 3999663, 6666105, 19998315]

約数ペア:

[(1, 19998315), (3, 6666105), (5, 3999663), (9, 2222035), (15, 1333221), (37, 540495), (45, 444407), (111, 180165), (185, 108099), (333, 60055), (555, 36033), (1665, 12011)]