19660755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77101}}^1$

素因数の和:77126

約数の個数: 16

約数和(自身を含む): 33308064

約数和(自身を除く): 13647309

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77101, 231303, 385505, 1156515, 1310717, 3932151, 6553585, 19660755]

約数ペア:

[(1, 19660755), (3, 6553585), (5, 3932151), (15, 1310717), (17, 1156515), (51, 385505), (85, 231303), (255, 77101)]