18949930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1753}}^1$

素因数の和:1830

約数の個数: 32

約数和(自身を含む): 36370944

約数和(自身を除く): 17421014

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1753, 2162, 3506, 5405, 8765, 10810, 17530, 40319, 80638, 82391, 164782, 201595, 403190, 411955, 823910, 1894993, 3789986, 9474965, 18949930]

約数ペア:

[(1, 18949930), (2, 9474965), (5, 3789986), (10, 1894993), (23, 823910), (46, 411955), (47, 403190), (94, 201595), (115, 164782), (230, 82391), (235, 80638), (470, 40319), (1081, 17530), (1753, 10810), (2162, 8765), (3506, 5405)]