19279120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 51782400

約数和(自身を除く): 32503280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 199, 280, 346, 398, 560, 692, 796, 865, 995, 1211, 1384, 1393, 1592, 1730, 1990, 2422, 2768, 2786, 3184, 3460, 3980, 4844, 5572, 6055, 6920, 6965, 7960, 9688, 11144, 12110, 13840, 13930, 15920, 19376, 22288, 24220, 27860, 34427, 48440, 55720, 68854, 96880, 111440, 137708, 172135, 240989, 275416, 344270, 481978, 550832, 688540, 963956, 1204945, 1377080, 1927912, 2409890, 2754160, 3855824, 4819780, 9639560, 19279120]

約数ペア:

[(1, 19279120), (2, 9639560), (4, 4819780), (5, 3855824), (7, 2754160), (8, 2409890), (10, 1927912), (14, 1377080), (16, 1204945), (20, 963956), (28, 688540), (35, 550832), (40, 481978), (56, 344270), (70, 275416), (80, 240989), (112, 172135), (140, 137708), (173, 111440), (199, 96880), (280, 68854), (346, 55720), (398, 48440), (560, 34427), (692, 27860), (796, 24220), (865, 22288), (995, 19376), (1211, 15920), (1384, 13930), (1393, 13840), (1592, 12110), (1730, 11144), (1990, 9688), (2422, 7960), (2768, 6965), (2786, 6920), (3184, 6055), (3460, 5572), (3980, 4844)]