18723408055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1\times {\mathrm{1979}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 25481174400

約数和(自身を除く): 6757766345

約数列:

[1, 5, 11, 31, 55, 155, 179, 341, 895, 961, 1705, 1969, 1979, 4805, 5549, 9845, 9895, 10571, 21769, 27745, 52855, 61039, 61349, 108845, 172019, 305195, 306745, 354241, 674839, 860095, 1771205, 1892209, 1901819, 3374195, 3896651, 9461045, 9509095, 10981471, 19483255, 20920009, 54907355, 104600045, 120796181, 340425601, 603980905, 1702128005, 3744681611, 18723408055]

約数ペア:

[(1, 18723408055), (5, 3744681611), (11, 1702128005), (31, 603980905), (55, 340425601), (155, 120796181), (179, 104600045), (341, 54907355), (895, 20920009), (961, 19483255), (1705, 10981471), (1969, 9509095), (1979, 9461045), (4805, 3896651), (5549, 3374195), (9845, 1901819), (9895, 1892209), (10571, 1771205), (21769, 860095), (27745, 674839), (52855, 354241), (61039, 306745), (61349, 305195), (108845, 172019)]