19664444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4073}}^1$

素因数の和:4165

約数の個数: 24

約数和(自身を含む): 36959328

約数和(自身を除く): 17294884

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4073, 4828, 8146, 16292, 69241, 138482, 276964, 289183, 578366, 1156732, 4916111, 9832222, 19664444]

約数ペア:

[(1, 19664444), (2, 9832222), (4, 4916111), (17, 1156732), (34, 578366), (68, 289183), (71, 276964), (142, 138482), (284, 69241), (1207, 16292), (2414, 8146), (4073, 4828)]