About the Number

19482820

19482819 ← → 19482821

2進数表記:1001010010100100011000100

漢数字表記:千九百四十八万二千八百二十

素因数分解:

2 2 × 5 1 × 7 1 × 317 1 × 439 1

素因数の和:772
約数の個数: 48
約数和(自身を含む): 47013120
約数和(自身を除く): 27530300

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 439, 634, 878, 1268, 1585, 1756, 2195, 2219, 3073, 3170, 4390, 4438, 6146, 6340, 8780, 8876, 11095, 12292, 15365, 22190, 30730, 44380, 61460, 139163, 278326, 556652, 695815, 974141, 1391630, 1948282, 2783260, 3896564, 4870705, 9741410, 19482820]

約数ペア:
[(1, 19482820), (2, 9741410), (4, 4870705), (5, 3896564), (7, 2783260), (10, 1948282), (14, 1391630), (20, 974141), (28, 695815), (35, 556652), (70, 278326), (140, 139163), (317, 61460), (439, 44380), (634, 30730), (878, 22190), (1268, 15365), (1585, 12292), (1756, 11095), (2195, 8876), (2219, 8780), (3073, 6340), (3170, 6146), (4390, 4438)]

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