19021691

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 22383984

約数和(自身を除く): 3362293

約数列:

[1, 13, 17, 61, 83, 221, 289, 793, 1037, 1079, 1411, 3757, 5063, 13481, 17629, 18343, 23987, 65819, 86071, 229177, 311831, 1118923, 1463207, 19021691]

約数ペア:

[(1, 19021691), (13, 1463207), (17, 1118923), (61, 311831), (83, 229177), (221, 86071), (289, 65819), (793, 23987), (1037, 18343), (1079, 17629), (1411, 13481), (3757, 5063)]