About the Number

1997510148

1997510147 ← → 1997510149

2進数表記:1110111000011111001011000000100

漢数字表記:十九億九千七百五十一万百四十八

素因数分解:

2 2 × 3 2 × 61 1 × 909613 1

素因数の和:909684
約数の個数: 36
約数和(自身を含む): 5132042188
約数和(自身を除く): 3134532040

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 909613, 1819226, 2728839, 3638452, 5457678, 8186517, 10915356, 16373034, 32746068, 55486393, 110972786, 166459179, 221945572, 332918358, 499377537, 665836716, 998755074, 1997510148]

約数ペア:
[(1, 1997510148), (2, 998755074), (3, 665836716), (4, 499377537), (6, 332918358), (9, 221945572), (12, 166459179), (18, 110972786), (36, 55486393), (61, 32746068), (122, 16373034), (183, 10915356), (244, 8186517), (366, 5457678), (549, 3638452), (732, 2728839), (1098, 1819226), (2196, 909613)]

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