18077290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 64

約数和(自身を含む): 42985728

約数和(自身を除く): 24908438

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1381, 1870, 2618, 2762, 6545, 6905, 9667, 13090, 13810, 15191, 19334, 23477, 30382, 46954, 48335, 75955, 96670, 106337, 117385, 151910, 164339, 212674, 234770, 258247, 328678, 516494, 531685, 821695, 1063370, 1291235, 1643390, 1807729, 2582470, 3615458, 9038645, 18077290]

約数ペア:

[(1, 18077290), (2, 9038645), (5, 3615458), (7, 2582470), (10, 1807729), (11, 1643390), (14, 1291235), (17, 1063370), (22, 821695), (34, 531685), (35, 516494), (55, 328678), (70, 258247), (77, 234770), (85, 212674), (110, 164339), (119, 151910), (154, 117385), (170, 106337), (187, 96670), (238, 75955), (374, 48335), (385, 46954), (595, 30382), (770, 23477), (935, 19334), (1190, 15191), (1309, 13810), (1381, 13090), (1870, 9667), (2618, 6905), (2762, 6545)]