19573257880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{729257}}^1$

素因数の和:729340

約数の個数: 64

約数和(自身を含む): 48831115680

約数和(自身を除く): 29257857800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 729257, 1458514, 2917028, 3646285, 5834056, 7292570, 8021827, 14585140, 16043654, 29170280, 32087308, 40109135, 44484677, 64174616, 80218270, 88969354, 160436540, 177938708, 222423385, 320873080, 355877416, 444846770, 489331447, 889693540, 978662894, 1779387080, 1957325788, 2446657235, 3914651576, 4893314470, 9786628940, 19573257880]

約数ペア:

[(1, 19573257880), (2, 9786628940), (4, 4893314470), (5, 3914651576), (8, 2446657235), (10, 1957325788), (11, 1779387080), (20, 978662894), (22, 889693540), (40, 489331447), (44, 444846770), (55, 355877416), (61, 320873080), (88, 222423385), (110, 177938708), (122, 160436540), (220, 88969354), (244, 80218270), (305, 64174616), (440, 44484677), (488, 40109135), (610, 32087308), (671, 29170280), (1220, 16043654), (1342, 14585140), (2440, 8021827), (2684, 7292570), (3355, 5834056), (5368, 3646285), (6710, 2917028), (13420, 1458514), (26840, 729257)]