19681676

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9629}}^1$

素因数の和:9713

約数の個数: 24

約数和(自身を含む): 39906720

約数和(自身を除く): 20225044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9629, 19258, 38516, 67403, 134806, 269612, 702917, 1405834, 2811668, 4920419, 9840838, 19681676]

約数ペア:

[(1, 19681676), (2, 9840838), (4, 4920419), (7, 2811668), (14, 1405834), (28, 702917), (73, 269612), (146, 134806), (292, 67403), (511, 38516), (1022, 19258), (2044, 9629)]