18828468824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{5021}}^1$

素因数の和:6072

約数の個数: 64

約数和(自身を含む): 39456046080

約数和(自身を除く): 20627577256

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 991, 1892, 1982, 3784, 3964, 5021, 7928, 10042, 10901, 20084, 21802, 40168, 42613, 43604, 55231, 85226, 87208, 110462, 170452, 215903, 220924, 340904, 431806, 441848, 468743, 863612, 937486, 1727224, 1874972, 2374933, 3749944, 4749866, 4975811, 9499732, 9951622, 18999464, 19903244, 39806488, 54733921, 109467842, 213959873, 218935684, 427919746, 437871368, 855839492, 1711678984, 2353558603, 4707117206, 9414234412, 18828468824]

約数ペア:

[(1, 18828468824), (2, 9414234412), (4, 4707117206), (8, 2353558603), (11, 1711678984), (22, 855839492), (43, 437871368), (44, 427919746), (86, 218935684), (88, 213959873), (172, 109467842), (344, 54733921), (473, 39806488), (946, 19903244), (991, 18999464), (1892, 9951622), (1982, 9499732), (3784, 4975811), (3964, 4749866), (5021, 3749944), (7928, 2374933), (10042, 1874972), (10901, 1727224), (20084, 937486), (21802, 863612), (40168, 468743), (42613, 441848), (43604, 431806), (55231, 340904), (85226, 220924), (87208, 215903), (110462, 170452)]