18077884

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:978

約数の個数: 36

約数和(自身を含む): 35661024

約数和(自身を除く): 17583140

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 911, 1804, 1822, 3644, 4961, 9922, 10021, 19844, 20042, 37351, 40084, 74702, 110231, 149404, 220462, 410861, 440924, 821722, 1643444, 4519471, 9038942, 18077884]

約数ペア:

[(1, 18077884), (2, 9038942), (4, 4519471), (11, 1643444), (22, 821722), (41, 440924), (44, 410861), (82, 220462), (121, 149404), (164, 110231), (242, 74702), (451, 40084), (484, 37351), (902, 20042), (911, 19844), (1804, 10021), (1822, 9922), (3644, 4961)]