19307835

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18016965

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 153, 179, 235, 255, 423, 459, 537, 705, 765, 799, 895, 1269, 1611, 2115, 2295, 2397, 2685, 3043, 3995, 4833, 6345, 7191, 8055, 8413, 9129, 11985, 15215, 21573, 24165, 25239, 27387, 35955, 42065, 45645, 75717, 82161, 107865, 126195, 136935, 143021, 227151, 378585, 410805, 429063, 715105, 1135755, 1287189, 2145315, 3861567, 6435945, 19307835]

約数ペア:

[(1, 19307835), (3, 6435945), (5, 3861567), (9, 2145315), (15, 1287189), (17, 1135755), (27, 715105), (45, 429063), (47, 410805), (51, 378585), (85, 227151), (135, 143021), (141, 136935), (153, 126195), (179, 107865), (235, 82161), (255, 75717), (423, 45645), (459, 42065), (537, 35955), (705, 27387), (765, 25239), (799, 24165), (895, 21573), (1269, 15215), (1611, 11985), (2115, 9129), (2295, 8413), (2397, 8055), (2685, 7191), (3043, 6345), (3995, 4833)]