19689307

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22226400

約数和(自身を除く): 2537093

約数列:

[1, 11, 41, 149, 293, 451, 1639, 3223, 6109, 12013, 43657, 67199, 132143, 480227, 1789937, 19689307]

約数ペア:

[(1, 19689307), (11, 1789937), (41, 480227), (149, 132143), (293, 67199), (451, 43657), (1639, 12013), (3223, 6109)]