18729988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5197}}^1$

素因数の和:5271

約数の個数: 24

約数和(自身を含む): 35367192

約数和(自身を除く): 16637204

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5197, 10394, 20788, 88349, 176698, 275441, 353396, 550882, 1101764, 4682497, 9364994, 18729988]

約数ペア:

[(1, 18729988), (2, 9364994), (4, 4682497), (17, 1101764), (34, 550882), (53, 353396), (68, 275441), (106, 176698), (212, 88349), (901, 20788), (1802, 10394), (3604, 5197)]