19726863

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 29588160

約数和(自身を除く): 9861297

約数列:

[1, 3, 13, 39, 41, 73, 123, 169, 219, 507, 533, 949, 1599, 2197, 2847, 2993, 6591, 6929, 8979, 12337, 20787, 37011, 38909, 90077, 116727, 160381, 270231, 481143, 505817, 1517451, 6575621, 19726863]

約数ペア:

[(1, 19726863), (3, 6575621), (13, 1517451), (39, 505817), (41, 481143), (73, 270231), (123, 160381), (169, 116727), (219, 90077), (507, 38909), (533, 37011), (949, 20787), (1599, 12337), (2197, 8979), (2847, 6929), (2993, 6591)]