About the Number

2018106981

2018106980 ← → 2018106982

2進数表記:1111000010010011101111001100101

漢数字表記:二十億千八百十万六千九百八十一

素因数分解:

3 5 × 11 1 × 61 1 × 12377 1

素因数の和:12464
約数の個数: 48
約数和(自身を含む): 3352160448
約数和(自身を除く): 1334053467

約数列:
[1, 3, 9, 11, 27, 33, 61, 81, 99, 183, 243, 297, 549, 671, 891, 1647, 2013, 2673, 4941, 6039, 12377, 14823, 18117, 37131, 54351, 111393, 136147, 163053, 334179, 408441, 754997, 1002537, 1225323, 2264991, 3007611, 3675969, 6794973, 8304967, 11027907, 20384919, 24914901, 33083721, 61154757, 74744703, 183464271, 224234109, 672702327, 2018106981]

約数ペア:
[(1, 2018106981), (3, 672702327), (9, 224234109), (11, 183464271), (27, 74744703), (33, 61154757), (61, 33083721), (81, 24914901), (99, 20384919), (183, 11027907), (243, 8304967), (297, 6794973), (549, 3675969), (671, 3007611), (891, 2264991), (1647, 1225323), (2013, 1002537), (2673, 754997), (4941, 408441), (6039, 334179), (12377, 163053), (14823, 136147), (18117, 111393), (37131, 54351)]

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