20181805245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64069223}}^1$

素因数の和:64069241

約数の個数: 24

約数和(自身を含む): 39979195776

約数和(自身を除く): 19797390531

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64069223, 192207669, 320346115, 448484561, 576623007, 961038345, 1345453683, 2242422805, 2883115035, 4036361049, 6727268415, 20181805245]

約数ペア:

[(1, 20181805245), (3, 6727268415), (5, 4036361049), (7, 2883115035), (9, 2242422805), (15, 1345453683), (21, 961038345), (35, 576623007), (45, 448484561), (63, 320346115), (105, 192207669), (315, 64069223)]