About the Number

12018990

12018989 ← → 12018991

2進数表記:101101110110010100101110

漢数字表記:千二百一万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 167 1 × 2399 1

素因数の和:2576
約数の個数: 32
約数和(自身を含む): 29030400
約数和(自身を除く): 17011410

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 167, 334, 501, 835, 1002, 1670, 2399, 2505, 4798, 5010, 7197, 11995, 14394, 23990, 35985, 71970, 400633, 801266, 1201899, 2003165, 2403798, 4006330, 6009495, 12018990]

約数ペア:
[(1, 12018990), (2, 6009495), (3, 4006330), (5, 2403798), (6, 2003165), (10, 1201899), (15, 801266), (30, 400633), (167, 71970), (334, 35985), (501, 23990), (835, 14394), (1002, 11995), (1670, 7197), (2399, 5010), (2505, 4798)]

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