About the Number

2013281990

2013281989 ← → 2013281991

2進数表記:1111000000000000011111011000110

漢数字表記:二十億千三百二十八万千九百九十

素因数分解:

2 1 × 5 1 × 19 1 × 2083 1 × 5087 1

素因数の和:7196
約数の個数: 32
約数和(自身を含む): 3817221120
約数和(自身を除く): 1803939130

約数列:
[1, 2, 5, 10, 19, 38, 95, 190, 2083, 4166, 5087, 10174, 10415, 20830, 25435, 39577, 50870, 79154, 96653, 193306, 197885, 395770, 483265, 966530, 10596221, 21192442, 52981105, 105962210, 201328199, 402656398, 1006640995, 2013281990]

約数ペア:
[(1, 2013281990), (2, 1006640995), (5, 402656398), (10, 201328199), (19, 105962210), (38, 52981105), (95, 21192442), (190, 10596221), (2083, 966530), (4166, 483265), (5087, 395770), (10174, 197885), (10415, 193306), (20830, 96653), (25435, 79154), (39577, 50870)]

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