About the Number

17881052

17881051 ← → 17881053

2進数表記:1000100001101011111011100

漢数字表記:千七百八十八万千五十二

素因数分解:

2 2 × 7 1 × 19 2 × 29 1 × 61 1

素因数の和:139
約数の個数: 72
約数和(自身を含む): 39684960
約数和(自身を除く): 21803908

約数列:
[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 61, 76, 116, 122, 133, 203, 244, 266, 361, 406, 427, 532, 551, 722, 812, 854, 1102, 1159, 1444, 1708, 1769, 2204, 2318, 2527, 3538, 3857, 4636, 5054, 7076, 7714, 8113, 10108, 10469, 12383, 15428, 16226, 20938, 22021, 24766, 32452, 33611, 41876, 44042, 49532, 67222, 73283, 88084, 134444, 146566, 154147, 235277, 293132, 308294, 470554, 616588, 638609, 941108, 1277218, 2554436, 4470263, 8940526, 17881052]

約数ペア:
[(1, 17881052), (2, 8940526), (4, 4470263), (7, 2554436), (14, 1277218), (19, 941108), (28, 638609), (29, 616588), (38, 470554), (58, 308294), (61, 293132), (76, 235277), (116, 154147), (122, 146566), (133, 134444), (203, 88084), (244, 73283), (266, 67222), (361, 49532), (406, 44042), (427, 41876), (532, 33611), (551, 32452), (722, 24766), (812, 22021), (854, 20938), (1102, 16226), (1159, 15428), (1444, 12383), (1708, 10469), (1769, 10108), (2204, 8113), (2318, 7714), (2527, 7076), (3538, 5054), (3857, 4636)]

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