16419195

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 32887296

約数和(自身を除く): 16468101

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 127, 153, 169, 195, 221, 255, 381, 507, 585, 635, 663, 765, 845, 1105, 1143, 1521, 1651, 1905, 1989, 2159, 2535, 2873, 3315, 4953, 5715, 6477, 7605, 8255, 8619, 9945, 10795, 14365, 14859, 19431, 21463, 24765, 25857, 28067, 32385, 43095, 64389, 74295, 84201, 97155, 107315, 129285, 140335, 193167, 252603, 321945, 364871, 421005, 965835, 1094613, 1263015, 1824355, 3283839, 5473065, 16419195]

約数ペア:

[(1, 16419195), (3, 5473065), (5, 3283839), (9, 1824355), (13, 1263015), (15, 1094613), (17, 965835), (39, 421005), (45, 364871), (51, 321945), (65, 252603), (85, 193167), (117, 140335), (127, 129285), (153, 107315), (169, 97155), (195, 84201), (221, 74295), (255, 64389), (381, 43095), (507, 32385), (585, 28067), (635, 25857), (663, 24765), (765, 21463), (845, 19431), (1105, 14859), (1143, 14365), (1521, 10795), (1651, 9945), (1905, 8619), (1989, 8255), (2159, 7605), (2535, 6477), (2873, 5715), (3315, 4953)]