About the Number

11988090

11988089 ← → 11988091

2進数表記:101101101110110001111010

漢数字表記:千百九十八万八千九十

素因数分解:

2 1 × 3 2 × 5 1 × 133201 1

素因数の和:133214
約数の個数: 24
約数和(自身を含む): 31169268
約数和(自身を除く): 19181178

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 133201, 266402, 399603, 666005, 799206, 1198809, 1332010, 1998015, 2397618, 3996030, 5994045, 11988090]

約数ペア:
[(1, 11988090), (2, 5994045), (3, 3996030), (5, 2397618), (6, 1998015), (9, 1332010), (10, 1198809), (15, 799206), (18, 666005), (30, 399603), (45, 266402), (90, 133201)]

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