18981256

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14737}}^1$

素因数の和:14773

約数の個数: 32

約数和(自身を含む): 42445440

約数和(自身を除く): 23464184

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 14737, 29474, 58948, 103159, 117896, 206318, 338951, 412636, 677902, 825272, 1355804, 2372657, 2711608, 4745314, 9490628, 18981256]

約数ペア:

[(1, 18981256), (2, 9490628), (4, 4745314), (7, 2711608), (8, 2372657), (14, 1355804), (23, 825272), (28, 677902), (46, 412636), (56, 338951), (92, 206318), (161, 117896), (184, 103159), (322, 58948), (644, 29474), (1288, 14737)]