19412433

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 30720000

約数和(自身を除く): 11307567

約数列:

[1, 3, 9, 19, 27, 57, 79, 171, 237, 479, 513, 711, 1437, 1501, 2133, 4311, 4503, 9101, 12933, 13509, 27303, 37841, 40527, 81909, 113523, 245727, 340569, 718979, 1021707, 2156937, 6470811, 19412433]

約数ペア:

[(1, 19412433), (3, 6470811), (9, 2156937), (19, 1021707), (27, 718979), (57, 340569), (79, 245727), (171, 113523), (237, 81909), (479, 40527), (513, 37841), (711, 27303), (1437, 13509), (1501, 12933), (2133, 9101), (4311, 4503)]