About the Number

2019743991

2019743990 ← → 2019743992

2進数表記:1111000011000101101100011110111

漢数字表記:二十億千九百七十四万三千九百九十一

素因数分解:

3 4 × 59 1 × 97 1 × 4357 1

素因数の和:4525
約数の個数: 40
約数和(自身を含む): 3100629840
約数和(自身を除く): 1080885849

約数列:
[1, 3, 9, 27, 59, 81, 97, 177, 291, 531, 873, 1593, 2619, 4357, 4779, 5723, 7857, 13071, 17169, 39213, 51507, 117639, 154521, 257063, 352917, 422629, 463563, 771189, 1267887, 2313567, 3803661, 6940701, 11410983, 20822103, 24935111, 34232949, 74805333, 224415999, 673247997, 2019743991]

約数ペア:
[(1, 2019743991), (3, 673247997), (9, 224415999), (27, 74805333), (59, 34232949), (81, 24935111), (97, 20822103), (177, 11410983), (291, 6940701), (531, 3803661), (873, 2313567), (1593, 1267887), (2619, 771189), (4357, 463563), (4779, 422629), (5723, 352917), (7857, 257063), (13071, 154521), (17169, 117639), (39213, 51507)]

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