20171945859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{25951}}^1$

素因数の和:27035

約数の個数: 32

約数和(自身を含む): 30519552000

約数和(自身を除く): 10347606141

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 1049, 3147, 13637, 19931, 25951, 40911, 59793, 77853, 259103, 337363, 493069, 777309, 1012089, 1479207, 6409897, 19229691, 27222599, 81667797, 353893787, 517229381, 1061681361, 1551688143, 6723981953, 20171945859]

約数ペア:

[(1, 20171945859), (3, 6723981953), (13, 1551688143), (19, 1061681361), (39, 517229381), (57, 353893787), (247, 81667797), (741, 27222599), (1049, 19229691), (3147, 6409897), (13637, 1479207), (19931, 1012089), (25951, 777309), (40911, 493069), (59793, 337363), (77853, 259103)]