19585748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4139}}^1$

素因数の和:4176

約数の個数: 36

約数和(自身を含む): 42426720

約数和(自身を除く): 22840972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4139, 4732, 8278, 16556, 28973, 53807, 57946, 107614, 115892, 215228, 376649, 699491, 753298, 1398982, 1506596, 2797964, 4896437, 9792874, 19585748]

約数ペア:

[(1, 19585748), (2, 9792874), (4, 4896437), (7, 2797964), (13, 1506596), (14, 1398982), (26, 753298), (28, 699491), (52, 376649), (91, 215228), (169, 115892), (182, 107614), (338, 57946), (364, 53807), (676, 28973), (1183, 16556), (2366, 8278), (4139, 4732)]