About the Number

118601990

118601989 ← → 118601991

2進数表記:111000100011011100100000110

漢数字表記:一億千八百六十万千九百九十

素因数分解:

2 1 × 5 1 × 13 1 × 19 1 × 48017 1

素因数の和:48056
約数の個数: 32
約数和(自身を含む): 242010720
約数和(自身を除く): 123408730

約数列:
[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 48017, 96034, 240085, 480170, 624221, 912323, 1248442, 1824646, 3121105, 4561615, 6242210, 9123230, 11860199, 23720398, 59300995, 118601990]

約数ペア:
[(1, 118601990), (2, 59300995), (5, 23720398), (10, 11860199), (13, 9123230), (19, 6242210), (26, 4561615), (38, 3121105), (65, 1824646), (95, 1248442), (130, 912323), (190, 624221), (247, 480170), (494, 240085), (1235, 96034), (2470, 48017)]

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