About the Number

11809090

11809089 ← → 11809091

2進数表記:101101000011000101000010

漢数字表記:千百八十万九千九十

素因数分解:

2 1 × 5 1 × 29 1 × 43 1 × 947 1

素因数の和:1026
約数の個数: 32
約数和(自身を含む): 22524480
約数和(自身を除く): 10715390

約数列:
[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 947, 1247, 1894, 2494, 4735, 6235, 9470, 12470, 27463, 40721, 54926, 81442, 137315, 203605, 274630, 407210, 1180909, 2361818, 5904545, 11809090]

約数ペア:
[(1, 11809090), (2, 5904545), (5, 2361818), (10, 1180909), (29, 407210), (43, 274630), (58, 203605), (86, 137315), (145, 81442), (215, 54926), (290, 40721), (430, 27463), (947, 12470), (1247, 9470), (1894, 6235), (2494, 4735)]

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