19305507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6781}}^1$

素因数の和:6870

約数の個数: 16

約数和(自身を含む): 28104608

約数和(自身を除く): 8799101

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6781, 20343, 88153, 264459, 495013, 1485039, 6435169, 19305507]

約数ペア:

[(1, 19305507), (3, 6435169), (13, 1485039), (39, 495013), (73, 264459), (219, 88153), (949, 20343), (2847, 6781)]