19198755

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2088

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 15430365

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2003, 3195, 6009, 9585, 10015, 18027, 30045, 54081, 90135, 142213, 270405, 426639, 711065, 1279917, 2133195, 3839751, 6399585, 19198755]

約数ペア:

[(1, 19198755), (3, 6399585), (5, 3839751), (9, 2133195), (15, 1279917), (27, 711065), (45, 426639), (71, 270405), (135, 142213), (213, 90135), (355, 54081), (639, 30045), (1065, 18027), (1917, 10015), (2003, 9585), (3195, 6009)]