19715435880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1235303}}^1$

素因数の和:1235343

約数の個数: 128

約数和(自身を含む): 71153510400

約数和(自身を除く): 51438074520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1235303, 2470606, 3705909, 4941212, 6176515, 7411818, 8647121, 9882424, 12353030, 14823636, 17294242, 18529545, 23470757, 24706060, 25941363, 29647272, 34588484, 37059090, 43235605, 46941514, 49412120, 51882726, 69176968, 70412271, 74118180, 86471210, 93883028, 103765452, 117353785, 129706815, 140824542, 148236360, 164295299, 172942420, 187766056, 207530904, 234707570, 259413630, 281649084, 328590598, 345884840, 352061355, 469415140, 492885897, 518827260, 563298168, 657181196, 704122710, 821476495, 938830280, 985771794, 1037654520, 1314362392, 1408245420, 1642952990, 1971543588, 2464429485, 2816490840, 3285905980, 3943087176, 4928858970, 6571811960, 9857717940, 19715435880]

約数ペア:

[(1, 19715435880), (2, 9857717940), (3, 6571811960), (4, 4928858970), (5, 3943087176), (6, 3285905980), (7, 2816490840), (8, 2464429485), (10, 1971543588), (12, 1642952990), (14, 1408245420), (15, 1314362392), (19, 1037654520), (20, 985771794), (21, 938830280), (24, 821476495), (28, 704122710), (30, 657181196), (35, 563298168), (38, 518827260), (40, 492885897), (42, 469415140), (56, 352061355), (57, 345884840), (60, 328590598), (70, 281649084), (76, 259413630), (84, 234707570), (95, 207530904), (105, 187766056), (114, 172942420), (120, 164295299), (133, 148236360), (140, 140824542), (152, 129706815), (168, 117353785), (190, 103765452), (210, 93883028), (228, 86471210), (266, 74118180), (280, 70412271), (285, 69176968), (380, 51882726), (399, 49412120), (420, 46941514), (456, 43235605), (532, 37059090), (570, 34588484), (665, 29647272), (760, 25941363), (798, 24706060), (840, 23470757), (1064, 18529545), (1140, 17294242), (1330, 14823636), (1596, 12353030), (1995, 9882424), (2280, 8647121), (2660, 7411818), (3192, 6176515), (3990, 4941212), (5320, 3705909), (7980, 2470606), (15960, 1235303)]