19805595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 14123685

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 769, 1515, 1717, 2307, 3845, 5151, 8585, 11535, 13073, 25755, 39219, 65365, 77669, 196095, 233007, 388345, 1165035, 1320373, 3961119, 6601865, 19805595]

約数ペア:

[(1, 19805595), (3, 6601865), (5, 3961119), (15, 1320373), (17, 1165035), (51, 388345), (85, 233007), (101, 196095), (255, 77669), (303, 65365), (505, 39219), (769, 25755), (1515, 13073), (1717, 11535), (2307, 8585), (3845, 5151)]