About the Number

1941990

1941989 ← → 1941991

2進数表記:111011010000111100110

漢数字表記:百九十四万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 1 × 3407 1

素因数の和:3436
約数の個数: 32
約数和(自身を含む): 4907520
約数和(自身を除く): 2965530

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 3407, 6814, 10221, 17035, 20442, 34070, 51105, 64733, 102210, 129466, 194199, 323665, 388398, 647330, 970995, 1941990]

約数ペア:
[(1, 1941990), (2, 970995), (3, 647330), (5, 388398), (6, 323665), (10, 194199), (15, 129466), (19, 102210), (30, 64733), (38, 51105), (57, 34070), (95, 20442), (114, 17035), (190, 10221), (285, 6814), (570, 3407)]

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