About the Number

20181196

20181195 ← → 20181197

2進数表記:1001100111111000011001100

漢数字表記:二千十八万千百九十六

素因数分解:

2 2 × 7 1 × 137 1 × 5261 1

素因数の和:5409
約数の個数: 24
約数和(自身を含む): 40664736
約数和(自身を除く): 20483540

約数列:
[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 5261, 10522, 21044, 36827, 73654, 147308, 720757, 1441514, 2883028, 5045299, 10090598, 20181196]

約数ペア:
[(1, 20181196), (2, 10090598), (4, 5045299), (7, 2883028), (14, 1441514), (28, 720757), (137, 147308), (274, 73654), (548, 36827), (959, 21044), (1918, 10522), (3836, 5261)]

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