18700826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2473}}^1$

素因数の和:2693

約数の個数: 16

約数和(自身を含む): 29688000

約数和(自身を除く): 10987174

約数列:

[1, 2, 19, 38, 199, 398, 2473, 3781, 4946, 7562, 46987, 93974, 492127, 984254, 9350413, 18700826]

約数ペア:

[(1, 18700826), (2, 9350413), (19, 984254), (38, 492127), (199, 93974), (398, 46987), (2473, 7562), (3781, 4946)]