About the Number

20181128

20181127 ← → 20181129

2進数表記:1001100111111000010001000

漢数字表記:二千十八万千百二十八

素因数分解:

2 3 × 11 1 × 53 1 × 4327 1

素因数の和:4397
約数の個数: 32
約数和(自身を含む): 42068160
約数和(自身を除く): 21887032

約数列:
[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4327, 4664, 8654, 17308, 34616, 47597, 95194, 190388, 229331, 380776, 458662, 917324, 1834648, 2522641, 5045282, 10090564, 20181128]

約数ペア:
[(1, 20181128), (2, 10090564), (4, 5045282), (8, 2522641), (11, 1834648), (22, 917324), (44, 458662), (53, 380776), (88, 229331), (106, 190388), (212, 95194), (424, 47597), (583, 34616), (1166, 17308), (2332, 8654), (4327, 4664)]

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