About the Number

102018105

102018104 ← → 102018106

2進数表記:110000101001010110000111001

漢数字表記:一億二百一万八千百五

素因数分解:

3 2 × 5 1 × 7 1 × 17 1 × 19051 1

素因数の和:19086
約数の個数: 48
約数和(自身を含む): 213992064
約数和(自身を除く): 111973959

約数列:
[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 19051, 57153, 95255, 133357, 171459, 285765, 323867, 400071, 666785, 857295, 971601, 1200213, 1619335, 2000355, 2267069, 2914803, 4858005, 6001065, 6801207, 11335345, 14574015, 20403621, 34006035, 102018105]

約数ペア:
[(1, 102018105), (3, 34006035), (5, 20403621), (7, 14574015), (9, 11335345), (15, 6801207), (17, 6001065), (21, 4858005), (35, 2914803), (45, 2267069), (51, 2000355), (63, 1619335), (85, 1200213), (105, 971601), (119, 857295), (153, 666785), (255, 400071), (315, 323867), (357, 285765), (595, 171459), (765, 133357), (1071, 95255), (1785, 57153), (5355, 19051)]

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