19856116

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1823}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 39836160

約数和(自身を除く): 19980044

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1823, 2723, 3646, 5446, 7292, 10892, 12761, 25522, 51044, 709147, 1418294, 2836588, 4964029, 9928058, 19856116]

約数ペア:

[(1, 19856116), (2, 9928058), (4, 4964029), (7, 2836588), (14, 1418294), (28, 709147), (389, 51044), (778, 25522), (1556, 12761), (1823, 10892), (2723, 7292), (3646, 5446)]