18371043

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 30401280

約数和(自身を除く): 12030237

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 173, 207, 243, 437, 513, 519, 621, 1311, 1539, 1557, 1863, 3287, 3933, 3979, 4617, 4671, 5589, 9861, 11799, 11937, 14013, 29583, 35397, 35811, 42039, 75601, 88749, 106191, 107433, 226803, 266247, 322299, 680409, 798741, 966897, 2041227, 6123681, 18371043]

約数ペア:

[(1, 18371043), (3, 6123681), (9, 2041227), (19, 966897), (23, 798741), (27, 680409), (57, 322299), (69, 266247), (81, 226803), (171, 107433), (173, 106191), (207, 88749), (243, 75601), (437, 42039), (513, 35811), (519, 35397), (621, 29583), (1311, 14013), (1539, 11937), (1557, 11799), (1863, 9861), (3287, 5589), (3933, 4671), (3979, 4617)]