18708027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25247}}^1$

素因数の和:25282

約数の個数: 16

約数和(自身を含む): 28277760

約数和(自身を除く): 9569733

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25247, 75741, 328211, 479693, 984633, 1439079, 6236009, 18708027]

約数ペア:

[(1, 18708027), (3, 6236009), (13, 1439079), (19, 984633), (39, 479693), (57, 328211), (247, 75741), (741, 25247)]