18931144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 37584000

約数和(自身を除く): 18652856

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 269, 463, 538, 926, 1076, 1852, 2152, 3704, 5111, 8797, 10222, 17594, 20444, 35188, 40888, 70376, 124547, 249094, 498188, 996376, 2366393, 4732786, 9465572, 18931144]

約数ペア:

[(1, 18931144), (2, 9465572), (4, 4732786), (8, 2366393), (19, 996376), (38, 498188), (76, 249094), (152, 124547), (269, 70376), (463, 40888), (538, 35188), (926, 20444), (1076, 17594), (1852, 10222), (2152, 8797), (3704, 5111)]