18140440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23869}}^1$

素因数の和:23899

約数の個数: 32

約数和(自身を含む): 42966000

約数和(自身を除く): 24825560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23869, 47738, 95476, 119345, 190952, 238690, 453511, 477380, 907022, 954760, 1814044, 2267555, 3628088, 4535110, 9070220, 18140440]

約数ペア:

[(1, 18140440), (2, 9070220), (4, 4535110), (5, 3628088), (8, 2267555), (10, 1814044), (19, 954760), (20, 907022), (38, 477380), (40, 453511), (76, 238690), (95, 190952), (152, 119345), (190, 95476), (380, 47738), (760, 23869)]