19715080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 57127680

約数和(自身を除く): 37412600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 173, 185, 220, 259, 280, 296, 308, 346, 370, 385, 407, 440, 518, 616, 692, 740, 770, 814, 865, 1036, 1211, 1295, 1384, 1480, 1540, 1628, 1730, 1903, 2035, 2072, 2422, 2590, 2849, 3080, 3256, 3460, 3806, 4070, 4844, 5180, 5698, 6055, 6401, 6920, 7612, 8140, 9515, 9688, 10360, 11396, 12110, 12802, 13321, 14245, 15224, 16280, 19030, 22792, 24220, 25604, 26642, 28490, 32005, 38060, 44807, 48440, 51208, 53284, 56980, 64010, 66605, 70411, 76120, 89614, 106568, 113960, 128020, 133210, 140822, 179228, 224035, 256040, 266420, 281644, 352055, 358456, 448070, 492877, 532840, 563288, 704110, 896140, 985754, 1408220, 1792280, 1971508, 2464385, 2816440, 3943016, 4928770, 9857540, 19715080]

約数ペア:

[(1, 19715080), (2, 9857540), (4, 4928770), (5, 3943016), (7, 2816440), (8, 2464385), (10, 1971508), (11, 1792280), (14, 1408220), (20, 985754), (22, 896140), (28, 704110), (35, 563288), (37, 532840), (40, 492877), (44, 448070), (55, 358456), (56, 352055), (70, 281644), (74, 266420), (77, 256040), (88, 224035), (110, 179228), (140, 140822), (148, 133210), (154, 128020), (173, 113960), (185, 106568), (220, 89614), (259, 76120), (280, 70411), (296, 66605), (308, 64010), (346, 56980), (370, 53284), (385, 51208), (407, 48440), (440, 44807), (518, 38060), (616, 32005), (692, 28490), (740, 26642), (770, 25604), (814, 24220), (865, 22792), (1036, 19030), (1211, 16280), (1295, 15224), (1384, 14245), (1480, 13321), (1540, 12802), (1628, 12110), (1730, 11396), (1903, 10360), (2035, 9688), (2072, 9515), (2422, 8140), (2590, 7612), (2849, 6920), (3080, 6401), (3256, 6055), (3460, 5698), (3806, 5180), (4070, 4844)]