About the Number

12131690

12131689 ← → 12131691

2進数表記:101110010001110101101010

漢数字表記:千二百十三万千六百九十

素因数分解:

2 1 × 5 1 × 19 1 × 67 1 × 953 1

素因数の和:1046
約数の個数: 32
約数和(自身を含む): 23353920
約数和(自身を除く): 11222230

約数列:
[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 953, 1273, 1906, 2546, 4765, 6365, 9530, 12730, 18107, 36214, 63851, 90535, 127702, 181070, 319255, 638510, 1213169, 2426338, 6065845, 12131690]

約数ペア:
[(1, 12131690), (2, 6065845), (5, 2426338), (10, 1213169), (19, 638510), (38, 319255), (67, 181070), (95, 127702), (134, 90535), (190, 63851), (335, 36214), (670, 18107), (953, 12730), (1273, 9530), (1906, 6365), (2546, 4765)]

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