19802385

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10733}}^1$

素因数の和:10785

約数の個数: 24

約数和(自身を含む): 35164584

約数和(自身を除く): 15362199

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10733, 32199, 53665, 96597, 160995, 440053, 482985, 1320159, 2200265, 3960477, 6600795, 19802385]

約数ペア:

[(1, 19802385), (3, 6600795), (5, 3960477), (9, 2200265), (15, 1320159), (41, 482985), (45, 440053), (123, 160995), (205, 96597), (369, 53665), (615, 32199), (1845, 10733)]