3949910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20815

約数の個数: 16

約数和(自身を含む): 7484400

約数和(自身を除く): 3534490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 20789, 41578, 103945, 207890, 394991, 789982, 1974955, 3949910]

約数ペア:

[(1, 3949910), (2, 1974955), (5, 789982), (10, 394991), (19, 207890), (38, 103945), (95, 41578), (190, 20789)]