19714400

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1336

約数の個数: 72

約数和(自身を含む): 50699880

約数和(自身を除く): 30985480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1297, 1520, 1900, 2594, 3040, 3800, 5188, 6485, 7600, 10376, 12970, 15200, 20752, 24643, 25940, 32425, 41504, 49286, 51880, 64850, 98572, 103760, 123215, 129700, 197144, 207520, 246430, 259400, 394288, 492860, 518800, 616075, 788576, 985720, 1037600, 1232150, 1971440, 2464300, 3942880, 4928600, 9857200, 19714400]

約数ペア:

[(1, 19714400), (2, 9857200), (4, 4928600), (5, 3942880), (8, 2464300), (10, 1971440), (16, 1232150), (19, 1037600), (20, 985720), (25, 788576), (32, 616075), (38, 518800), (40, 492860), (50, 394288), (76, 259400), (80, 246430), (95, 207520), (100, 197144), (152, 129700), (160, 123215), (190, 103760), (200, 98572), (304, 64850), (380, 51880), (400, 49286), (475, 41504), (608, 32425), (760, 25940), (800, 24643), (950, 20752), (1297, 15200), (1520, 12970), (1900, 10376), (2594, 7600), (3040, 6485), (3800, 5188)]