19591880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6361}}^1$

素因数の和:6390

約数の個数: 64

約数和(自身を含む): 54967680

約数和(自身を除く): 35375800

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, 6361, 12722, 25444, 31805, 44527, 50888, 63610, 69971, 89054, 127220, 139942, 178108, 222635, 254440, 279884, 349855, 356216, 445270, 489797, 559768, 699710, 890540, 979594, 1399420, 1781080, 1959188, 2448985, 2798840, 3918376, 4897970, 9795940, 19591880]

約数ペア:

[(1, 19591880), (2, 9795940), (4, 4897970), (5, 3918376), (7, 2798840), (8, 2448985), (10, 1959188), (11, 1781080), (14, 1399420), (20, 979594), (22, 890540), (28, 699710), (35, 559768), (40, 489797), (44, 445270), (55, 356216), (56, 349855), (70, 279884), (77, 254440), (88, 222635), (110, 178108), (140, 139942), (154, 127220), (220, 89054), (280, 69971), (308, 63610), (385, 50888), (440, 44527), (616, 31805), (770, 25444), (1540, 12722), (3080, 6361)]