19712368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94771}}^1$

素因数の和:94792

約数の個数: 20

約数和(自身を含む): 41131048

約数和(自身を除く): 21418680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94771, 189542, 379084, 758168, 1232023, 1516336, 2464046, 4928092, 9856184, 19712368]

約数ペア:

[(1, 19712368), (2, 9856184), (4, 4928092), (8, 2464046), (13, 1516336), (16, 1232023), (26, 758168), (52, 379084), (104, 189542), (208, 94771)]