18408694

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2011}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 28972800

約数和(自身を除く): 10564106

約数列:

[1, 2, 23, 46, 199, 398, 2011, 4022, 4577, 9154, 46253, 92506, 400189, 800378, 9204347, 18408694]

約数ペア:

[(1, 18408694), (2, 9204347), (23, 800378), (46, 400189), (199, 92506), (398, 46253), (2011, 9154), (4022, 4577)]