18805741108

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{571}}^1\times {\mathrm{9721}}^1$

素因数の和:10325

約数の個数: 72

約数和(自身を含む): 41418208832

約数和(自身を除く): 22612467724

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 571, 847, 1142, 1694, 2284, 3388, 3997, 6281, 7994, 9721, 12562, 15988, 19442, 25124, 38884, 43967, 68047, 69091, 87934, 106931, 136094, 138182, 175868, 213862, 272188, 276364, 427724, 483637, 748517, 967274, 1176241, 1497034, 1934548, 2352482, 2994068, 4704964, 5550691, 8233687, 11101382, 16467374, 22202764, 32934748, 38854837, 61057601, 77709674, 122115202, 155419348, 244230404, 427403207, 671633611, 854806414, 1343267222, 1709612828, 2686534444, 4701435277, 9402870554, 18805741108]

約数ペア:

[(1, 18805741108), (2, 9402870554), (4, 4701435277), (7, 2686534444), (11, 1709612828), (14, 1343267222), (22, 854806414), (28, 671633611), (44, 427403207), (77, 244230404), (121, 155419348), (154, 122115202), (242, 77709674), (308, 61057601), (484, 38854837), (571, 32934748), (847, 22202764), (1142, 16467374), (1694, 11101382), (2284, 8233687), (3388, 5550691), (3997, 4704964), (6281, 2994068), (7994, 2352482), (9721, 1934548), (12562, 1497034), (15988, 1176241), (19442, 967274), (25124, 748517), (38884, 483637), (43967, 427724), (68047, 276364), (69091, 272188), (87934, 213862), (106931, 175868), (136094, 138182)]