19886061

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 29227296

約数和(自身を除く): 9341235

約数列:

[1, 3, 13, 39, 61, 169, 183, 507, 643, 793, 1929, 2379, 8359, 10309, 25077, 30927, 39223, 108667, 117669, 326001, 509899, 1529697, 6628687, 19886061]

約数ペア:

[(1, 19886061), (3, 6628687), (13, 1529697), (39, 509899), (61, 326001), (169, 117669), (183, 108667), (507, 39223), (643, 30927), (793, 25077), (1929, 10309), (2379, 8359)]