About the Number

194821980

194821979 ← → 194821981

2進数表記:1011100111001011111101011100

漢数字表記:一億九千四百八十二万千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 31 1 × 104743 1

素因数の和:104786
約数の個数: 48
約数和(自身を含む): 563103744
約数和(自身を除く): 368281764

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 104743, 209486, 314229, 418972, 523715, 628458, 1047430, 1256916, 1571145, 2094860, 3142290, 3247033, 6284580, 6494066, 9741099, 12988132, 16235165, 19482198, 32470330, 38964396, 48705495, 64940660, 97410990, 194821980]

約数ペア:
[(1, 194821980), (2, 97410990), (3, 64940660), (4, 48705495), (5, 38964396), (6, 32470330), (10, 19482198), (12, 16235165), (15, 12988132), (20, 9741099), (30, 6494066), (31, 6284580), (60, 3247033), (62, 3142290), (93, 2094860), (124, 1571145), (155, 1256916), (186, 1047430), (310, 628458), (372, 523715), (465, 418972), (620, 314229), (930, 209486), (1860, 104743)]

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