19471640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3833}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 24696040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3833, 5080, 7666, 15332, 19165, 30664, 38330, 76660, 153320, 486791, 973582, 1947164, 2433955, 3894328, 4867910, 9735820, 19471640]

約数ペア:

[(1, 19471640), (2, 9735820), (4, 4867910), (5, 3894328), (8, 2433955), (10, 1947164), (20, 973582), (40, 486791), (127, 153320), (254, 76660), (508, 38330), (635, 30664), (1016, 19165), (1270, 15332), (2540, 7666), (3833, 5080)]