19895355

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8669}}^1$

素因数の和:8700

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 17559045

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8669, 26007, 43345, 78021, 130035, 147373, 234063, 390105, 442119, 736865, 1170315, 1326357, 2210595, 3979071, 6631785, 19895355]

約数ペア:

[(1, 19895355), (3, 6631785), (5, 3979071), (9, 2210595), (15, 1326357), (17, 1170315), (27, 736865), (45, 442119), (51, 390105), (85, 234063), (135, 147373), (153, 130035), (255, 78021), (459, 43345), (765, 26007), (2295, 8669)]