About the Number

1999448432

1999448431 ← → 1999448433

2進数表記:1110111001011010010100101110000

漢数字表記:十九億九千九百四十四万八千四百三十二

素因数分解:

2 4 × 19 1 × 47 1 × 139939 1

素因数の和:140013
約数の個数: 40
約数和(自身を含む): 4164614400
約数和(自身を除く): 2165165968

約数列:
[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 139939, 279878, 559756, 1119512, 2239024, 2658841, 5317682, 6577133, 10635364, 13154266, 21270728, 26308532, 42541456, 52617064, 105234128, 124965527, 249931054, 499862108, 999724216, 1999448432]

約数ペア:
[(1, 1999448432), (2, 999724216), (4, 499862108), (8, 249931054), (16, 124965527), (19, 105234128), (38, 52617064), (47, 42541456), (76, 26308532), (94, 21270728), (152, 13154266), (188, 10635364), (304, 6577133), (376, 5317682), (752, 2658841), (893, 2239024), (1786, 1119512), (3572, 559756), (7144, 279878), (14288, 139939)]

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