19782724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20023}}^1$

素因数の和:20059

約数の個数: 24

約数和(自身を含む): 39247040

約数和(自身を除く): 19464316

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20023, 40046, 80092, 260299, 380437, 520598, 760874, 1041196, 1521748, 4945681, 9891362, 19782724]

約数ペア:

[(1, 19782724), (2, 9891362), (4, 4945681), (13, 1521748), (19, 1041196), (26, 760874), (38, 520598), (52, 380437), (76, 260299), (247, 80092), (494, 40046), (988, 20023)]