17999120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4787}}^1$

素因数の和:4847

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 24748144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4787, 9574, 19148, 23935, 38296, 47870, 76592, 95740, 191480, 224989, 382960, 449978, 899956, 1124945, 1799912, 2249890, 3599824, 4499780, 8999560, 17999120]

約数ペア:

[(1, 17999120), (2, 8999560), (4, 4499780), (5, 3599824), (8, 2249890), (10, 1799912), (16, 1124945), (20, 899956), (40, 449978), (47, 382960), (80, 224989), (94, 191480), (188, 95740), (235, 76592), (376, 47870), (470, 38296), (752, 23935), (940, 19148), (1880, 9574), (3760, 4787)]