About the Number

19996440

19996439 ← → 19996441

2進数表記:1001100010001111100011000

漢数字表記:千九百九十九万六千四百四十

素因数分解:

2 3 × 3 1 × 5 1 × 71 1 × 2347 1

素因数の和:2432
約数の個数: 64
約数和(自身を含む): 60860160
約数和(自身を除く): 40863720

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2347, 2840, 4260, 4694, 7041, 8520, 9388, 11735, 14082, 18776, 23470, 28164, 35205, 46940, 56328, 70410, 93880, 140820, 166637, 281640, 333274, 499911, 666548, 833185, 999822, 1333096, 1666370, 1999644, 2499555, 3332740, 3999288, 4999110, 6665480, 9998220, 19996440]

約数ペア:
[(1, 19996440), (2, 9998220), (3, 6665480), (4, 4999110), (5, 3999288), (6, 3332740), (8, 2499555), (10, 1999644), (12, 1666370), (15, 1333096), (20, 999822), (24, 833185), (30, 666548), (40, 499911), (60, 333274), (71, 281640), (120, 166637), (142, 140820), (213, 93880), (284, 70410), (355, 56328), (426, 46940), (568, 35205), (710, 28164), (852, 23470), (1065, 18776), (1420, 14082), (1704, 11735), (2130, 9388), (2347, 8520), (2840, 7041), (4260, 4694)]

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