19470001825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{27883}}^1$

素因数の和:27994

約数の個数: 48

約数和(自身を含む): 26886422016

約数和(自身を除く): 7416420191

約数列:

[1, 5, 17, 25, 31, 53, 85, 155, 265, 425, 527, 775, 901, 1325, 1643, 2635, 4505, 8215, 13175, 22525, 27883, 27931, 41075, 139415, 139655, 474011, 697075, 698275, 864373, 1477799, 2370055, 4321865, 7388995, 11850275, 14694341, 21609325, 25122583, 36944975, 45811769, 73471705, 125612915, 229058845, 367358525, 628064575, 778800073, 1145294225, 3894000365, 19470001825]

約数ペア:

[(1, 19470001825), (5, 3894000365), (17, 1145294225), (25, 778800073), (31, 628064575), (53, 367358525), (85, 229058845), (155, 125612915), (265, 73471705), (425, 45811769), (527, 36944975), (775, 25122583), (901, 21609325), (1325, 14694341), (1643, 11850275), (2635, 7388995), (4505, 4321865), (8215, 2370055), (13175, 1477799), (22525, 864373), (27883, 698275), (27931, 697075), (41075, 474011), (139415, 139655)]