18593764

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20113436

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 199, 284, 329, 398, 497, 658, 796, 994, 1316, 1393, 1988, 2786, 3337, 5572, 6674, 9353, 13348, 14129, 18706, 23359, 28258, 37412, 46718, 56516, 65471, 93436, 98903, 130942, 197806, 261884, 395612, 664063, 1328126, 2656252, 4648441, 9296882, 18593764]

約数ペア:

[(1, 18593764), (2, 9296882), (4, 4648441), (7, 2656252), (14, 1328126), (28, 664063), (47, 395612), (71, 261884), (94, 197806), (142, 130942), (188, 98903), (199, 93436), (284, 65471), (329, 56516), (398, 46718), (497, 37412), (658, 28258), (796, 23359), (994, 18706), (1316, 14129), (1393, 13348), (1988, 9353), (2786, 6674), (3337, 5572)]