About the Number

2018120872

2018120871 ← → 2018120873

2進数表記:1111000010010100001010010101000

漢数字表記:二十億千八百十二万八百七十二

素因数分解:

2 3 × 19 1 × 1979 1 × 6709 1

素因数の和:8713
約数の個数: 32
約数和(自身を含む): 3985740000
約数和(自身を除く): 1967619128

約数列:
[1, 2, 4, 8, 19, 38, 76, 152, 1979, 3958, 6709, 7916, 13418, 15832, 26836, 37601, 53672, 75202, 127471, 150404, 254942, 300808, 509884, 1019768, 13277111, 26554222, 53108444, 106216888, 252265109, 504530218, 1009060436, 2018120872]

約数ペア:
[(1, 2018120872), (2, 1009060436), (4, 504530218), (8, 252265109), (19, 106216888), (38, 53108444), (76, 26554222), (152, 13277111), (1979, 1019768), (3958, 509884), (6709, 300808), (7916, 254942), (13418, 150404), (15832, 127471), (26836, 75202), (37601, 53672)]

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