18079789

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 25297920

約数和(自身を除く): 7218131

約数列:

[1, 7, 13, 17, 29, 31, 91, 119, 169, 203, 217, 221, 377, 403, 493, 527, 899, 1183, 1547, 2639, 2821, 2873, 3451, 3689, 4901, 5239, 6293, 6409, 6851, 11687, 15283, 20111, 34307, 36673, 44863, 47957, 81809, 83317, 89063, 106981, 151931, 198679, 583219, 623441, 1063517, 1390753, 2582827, 18079789]

約数ペア:

[(1, 18079789), (7, 2582827), (13, 1390753), (17, 1063517), (29, 623441), (31, 583219), (91, 198679), (119, 151931), (169, 106981), (203, 89063), (217, 83317), (221, 81809), (377, 47957), (403, 44863), (493, 36673), (527, 34307), (899, 20111), (1183, 15283), (1547, 11687), (2639, 6851), (2821, 6409), (2873, 6293), (3451, 5239), (3689, 4901)]