19437880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6311}}^1$

素因数の和:6340

約数の個数: 64

約数和(自身を含む): 54535680

約数和(自身を除く): 35097800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6311, 12622, 25244, 31555, 44177, 50488, 63110, 69421, 88354, 126220, 138842, 176708, 220885, 252440, 277684, 347105, 353416, 441770, 485947, 555368, 694210, 883540, 971894, 1388420, 1767080, 1943788, 2429735, 2776840, 3887576, 4859470, 9718940, 19437880]

約数ペア:

[(1, 19437880), (2, 9718940), (4, 4859470), (5, 3887576), (7, 2776840), (8, 2429735), (10, 1943788), (11, 1767080), (14, 1388420), (20, 971894), (22, 883540), (28, 694210), (35, 555368), (40, 485947), (44, 441770), (55, 353416), (56, 347105), (70, 277684), (77, 252440), (88, 220885), (110, 176708), (140, 138842), (154, 126220), (220, 88354), (280, 69421), (308, 63110), (385, 50488), (440, 44177), (616, 31555), (770, 25244), (1540, 12622), (3080, 6311)]