About the Number

2018013920

2018013919 ← → 2018013921

2進数表記:1111000010010000111001011100000

漢数字表記:二十億千八百一万三千九百二十

素因数分解:

2 5 × 5 1 × 13 1 × 79 1 × 12281 1

素因数の和:12388
約数の個数: 96
約数和(自身を含む): 5199707520
約数和(自身を除く): 3181693600

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 2080, 2528, 3160, 4108, 5135, 6320, 8216, 10270, 12281, 12640, 16432, 20540, 24562, 32864, 41080, 49124, 61405, 82160, 98248, 122810, 159653, 164320, 196496, 245620, 319306, 392992, 491240, 638612, 798265, 970199, 982480, 1277224, 1596530, 1940398, 1964960, 2554448, 3193060, 3880796, 4850995, 5108896, 6386120, 7761592, 9701990, 12612587, 12772240, 15523184, 19403980, 25225174, 25544480, 31046368, 38807960, 50450348, 63062935, 77615920, 100900696, 126125870, 155231840, 201801392, 252251740, 403602784, 504503480, 1009006960, 2018013920]

約数ペア:
[(1, 2018013920), (2, 1009006960), (4, 504503480), (5, 403602784), (8, 252251740), (10, 201801392), (13, 155231840), (16, 126125870), (20, 100900696), (26, 77615920), (32, 63062935), (40, 50450348), (52, 38807960), (65, 31046368), (79, 25544480), (80, 25225174), (104, 19403980), (130, 15523184), (158, 12772240), (160, 12612587), (208, 9701990), (260, 7761592), (316, 6386120), (395, 5108896), (416, 4850995), (520, 3880796), (632, 3193060), (790, 2554448), (1027, 1964960), (1040, 1940398), (1264, 1596530), (1580, 1277224), (2054, 982480), (2080, 970199), (2528, 798265), (3160, 638612), (4108, 491240), (5135, 392992), (6320, 319306), (8216, 245620), (10270, 196496), (12281, 164320), (12640, 159653), (16432, 122810), (20540, 98248), (24562, 82160), (32864, 61405), (41080, 49124)]

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