19900155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{120607}}^1$

素因数の和:120626

約数の個数: 16

約数和(自身を含む): 34735104

約数和(自身を除く): 14834949

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 120607, 361821, 603035, 1326677, 1809105, 3980031, 6633385, 19900155]

約数ペア:

[(1, 19900155), (3, 6633385), (5, 3980031), (11, 1809105), (15, 1326677), (33, 603035), (55, 361821), (165, 120607)]