2019654620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{6217}}^1$

素因数の和:6702

約数の個数: 48

約数和(自身を含む): 4366528320

約数和(自身を除く): 2346873700

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 439, 740, 878, 1756, 2195, 4390, 6217, 8780, 12434, 16243, 24868, 31085, 32486, 62170, 64972, 81215, 124340, 162430, 230029, 324860, 460058, 920116, 1150145, 2300290, 2729263, 4600580, 5458526, 10917052, 13646315, 27292630, 54585260, 100982731, 201965462, 403930924, 504913655, 1009827310, 2019654620]

約数ペア:

[(1, 2019654620), (2, 1009827310), (4, 504913655), (5, 403930924), (10, 201965462), (20, 100982731), (37, 54585260), (74, 27292630), (148, 13646315), (185, 10917052), (370, 5458526), (439, 4600580), (740, 2729263), (878, 2300290), (1756, 1150145), (2195, 920116), (4390, 460058), (6217, 324860), (8780, 230029), (12434, 162430), (16243, 124340), (24868, 81215), (31085, 64972), (32486, 62170)]