19774630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 37728000

約数和(自身を除く): 17953370

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 523, 995, 1046, 1990, 2615, 3781, 5230, 7562, 9937, 18905, 19874, 37810, 49685, 99370, 104077, 208154, 520385, 1040770, 1977463, 3954926, 9887315, 19774630]

約数ペア:

[(1, 19774630), (2, 9887315), (5, 3954926), (10, 1977463), (19, 1040770), (38, 520385), (95, 208154), (190, 104077), (199, 99370), (398, 49685), (523, 37810), (995, 19874), (1046, 18905), (1990, 9937), (2615, 7562), (3781, 5230)]