19235880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 45628920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 1979, 2430, 3240, 3958, 4860, 5937, 7916, 9720, 9895, 11874, 15832, 17811, 19790, 23748, 29685, 35622, 39580, 47496, 53433, 59370, 71244, 79160, 89055, 106866, 118740, 142488, 160299, 178110, 213732, 237480, 267165, 320598, 356220, 427464, 480897, 534330, 641196, 712440, 801495, 961794, 1068660, 1282392, 1602990, 1923588, 2137320, 2404485, 3205980, 3847176, 4808970, 6411960, 9617940, 19235880]

約数ペア:

[(1, 19235880), (2, 9617940), (3, 6411960), (4, 4808970), (5, 3847176), (6, 3205980), (8, 2404485), (9, 2137320), (10, 1923588), (12, 1602990), (15, 1282392), (18, 1068660), (20, 961794), (24, 801495), (27, 712440), (30, 641196), (36, 534330), (40, 480897), (45, 427464), (54, 356220), (60, 320598), (72, 267165), (81, 237480), (90, 213732), (108, 178110), (120, 160299), (135, 142488), (162, 118740), (180, 106866), (216, 89055), (243, 79160), (270, 71244), (324, 59370), (360, 53433), (405, 47496), (486, 39580), (540, 35622), (648, 29685), (810, 23748), (972, 19790), (1080, 17811), (1215, 15832), (1620, 11874), (1944, 9895), (1979, 9720), (2430, 7916), (3240, 5937), (3958, 4860)]