18156362

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 40

約数和(自身を含む): 33612000

約数和(自身を除く): 15455638

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 199, 266, 343, 398, 686, 931, 1393, 1862, 2401, 2786, 3781, 4802, 6517, 7562, 9751, 13034, 19502, 26467, 45619, 52934, 68257, 91238, 136514, 185269, 370538, 477799, 955598, 1296883, 2593766, 9078181, 18156362]

約数ペア:

[(1, 18156362), (2, 9078181), (7, 2593766), (14, 1296883), (19, 955598), (38, 477799), (49, 370538), (98, 185269), (133, 136514), (199, 91238), (266, 68257), (343, 52934), (398, 45619), (686, 26467), (931, 19502), (1393, 13034), (1862, 9751), (2401, 7562), (2786, 6517), (3781, 4802)]