18630621

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 30336000

約数和(自身を除く): 11705379

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1579, 3933, 4737, 11799, 14211, 30001, 36317, 42633, 90003, 108951, 270009, 326853, 690023, 810027, 980559, 2070069, 6210207, 18630621]

約数ペア:

[(1, 18630621), (3, 6210207), (9, 2070069), (19, 980559), (23, 810027), (27, 690023), (57, 326853), (69, 270009), (171, 108951), (207, 90003), (437, 42633), (513, 36317), (621, 30001), (1311, 14211), (1579, 11799), (3933, 4737)]