About the Number

16321940

16321939 ← → 16321941

2進数表記:111110010000110110010100

漢数字表記:千六百三十二万千九百四十

素因数分解:

2 2 × 5 1 × 43 1 × 18979 1

素因数の和:19031
約数の個数: 24
約数和(自身を含む): 35075040
約数和(自身を除く): 18753100

約数列:
[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18979, 37958, 75916, 94895, 189790, 379580, 816097, 1632194, 3264388, 4080485, 8160970, 16321940]

約数ペア:
[(1, 16321940), (2, 8160970), (4, 4080485), (5, 3264388), (10, 1632194), (20, 816097), (43, 379580), (86, 189790), (172, 94895), (215, 75916), (430, 37958), (860, 18979)]

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