About the Number

19401972

19401971 ← → 19401973

2進数表記:1001010000000110011110100

漢数字表記:千九百四十万千九百七十二

素因数分解:

2 2 × 3 1 × 23 1 × 70297 1

素因数の和:70327
約数の個数: 24
約数和(自身を含む): 47240256
約数和(自身を除く): 27838284

約数列:
[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 70297, 140594, 210891, 281188, 421782, 843564, 1616831, 3233662, 4850493, 6467324, 9700986, 19401972]

約数ペア:
[(1, 19401972), (2, 9700986), (3, 6467324), (4, 4850493), (6, 3233662), (12, 1616831), (23, 843564), (46, 421782), (69, 281188), (92, 210891), (138, 140594), (276, 70297)]

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