18158661

素因数分解:

$3^7\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 29992320

約数和(自身を除く): 11833659

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 243, 361, 437, 513, 621, 729, 1083, 1311, 1539, 1863, 2187, 3249, 3933, 4617, 5589, 8303, 9747, 11799, 13851, 16767, 24909, 29241, 35397, 41553, 50301, 74727, 87723, 106191, 224181, 263169, 318573, 672543, 789507, 955719, 2017629, 6052887, 18158661]

約数ペア:

[(1, 18158661), (3, 6052887), (9, 2017629), (19, 955719), (23, 789507), (27, 672543), (57, 318573), (69, 263169), (81, 224181), (171, 106191), (207, 87723), (243, 74727), (361, 50301), (437, 41553), (513, 35397), (621, 29241), (729, 24909), (1083, 16767), (1311, 13851), (1539, 11799), (1863, 9747), (2187, 8303), (3249, 5589), (3933, 4617)]