18800236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 42426720

約数和(自身を除く): 23626484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 137, 169, 182, 203, 274, 338, 364, 377, 406, 548, 676, 754, 812, 959, 1183, 1508, 1781, 1918, 2366, 2639, 3562, 3836, 3973, 4732, 4901, 5278, 7124, 7946, 9802, 10556, 12467, 15892, 19604, 23153, 24934, 27811, 34307, 46306, 49868, 51649, 55622, 68614, 92612, 103298, 111244, 137228, 162071, 206596, 324142, 361543, 648284, 671437, 723086, 1342874, 1446172, 2685748, 4700059, 9400118, 18800236]

約数ペア:

[(1, 18800236), (2, 9400118), (4, 4700059), (7, 2685748), (13, 1446172), (14, 1342874), (26, 723086), (28, 671437), (29, 648284), (52, 361543), (58, 324142), (91, 206596), (116, 162071), (137, 137228), (169, 111244), (182, 103298), (203, 92612), (274, 68614), (338, 55622), (364, 51649), (377, 49868), (406, 46306), (548, 34307), (676, 27811), (754, 24934), (812, 23153), (959, 19604), (1183, 15892), (1508, 12467), (1781, 10556), (1918, 9802), (2366, 7946), (2639, 7124), (3562, 5278), (3836, 4901), (3973, 4732)]