19748456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27127}}^1$

素因数の和:27153

約数の個数: 32

約数和(自身を含む): 45575040

約数和(自身を除く): 25826584

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27127, 54254, 108508, 189889, 217016, 352651, 379778, 705302, 759556, 1410604, 1519112, 2468557, 2821208, 4937114, 9874228, 19748456]

約数ペア:

[(1, 19748456), (2, 9874228), (4, 4937114), (7, 2821208), (8, 2468557), (13, 1519112), (14, 1410604), (26, 759556), (28, 705302), (52, 379778), (56, 352651), (91, 217016), (104, 189889), (182, 108508), (364, 54254), (728, 27127)]