18657643

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 20088000

約数和(自身を除く): 1430357

約数列:

[1, 29, 53, 61, 199, 1537, 1769, 3233, 5771, 10547, 12139, 93757, 305863, 352031, 643367, 18657643]

約数ペア:

[(1, 18657643), (29, 643367), (53, 352031), (61, 305863), (199, 93757), (1537, 12139), (1769, 10547), (3233, 5771)]