18042136

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 20837864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 1619, 2786, 3238, 5572, 6476, 11144, 11333, 12952, 22666, 45332, 90664, 322181, 644362, 1288724, 2255267, 2577448, 4510534, 9021068, 18042136]

約数ペア:

[(1, 18042136), (2, 9021068), (4, 4510534), (7, 2577448), (8, 2255267), (14, 1288724), (28, 644362), (56, 322181), (199, 90664), (398, 45332), (796, 22666), (1393, 12952), (1592, 11333), (1619, 11144), (2786, 6476), (3238, 5572)]