18075568

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 40275200

約数和(自身を除く): 22199632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 811, 1393, 1592, 1622, 2786, 3184, 3244, 5572, 5677, 6488, 11144, 11354, 12976, 22288, 22708, 45416, 90832, 161389, 322778, 645556, 1129723, 1291112, 2259446, 2582224, 4518892, 9037784, 18075568]

約数ペア:

[(1, 18075568), (2, 9037784), (4, 4518892), (7, 2582224), (8, 2259446), (14, 1291112), (16, 1129723), (28, 645556), (56, 322778), (112, 161389), (199, 90832), (398, 45416), (796, 22708), (811, 22288), (1393, 12976), (1592, 11354), (1622, 11144), (2786, 6488), (3184, 5677), (3244, 5572)]