19512153

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 29139968

約数和(自身を除く): 9627815

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 397, 1143, 1191, 3573, 5461, 16383, 17071, 49149, 50419, 51213, 151257, 153639, 453771, 2168017, 6504051, 19512153]

約数ペア:

[(1, 19512153), (3, 6504051), (9, 2168017), (43, 453771), (127, 153639), (129, 151257), (381, 51213), (387, 50419), (397, 49149), (1143, 17071), (1191, 16383), (3573, 5461)]