19990528096

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{17989}}^1$

素因数の和:18069

約数の個数: 144

約数和(自身を含む): 50648038560

約数和(自身を除く): 30657510464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 41, 44, 56, 77, 82, 88, 112, 121, 154, 164, 176, 224, 242, 287, 308, 328, 352, 451, 484, 574, 616, 656, 847, 902, 968, 1148, 1232, 1312, 1694, 1804, 1936, 2296, 2464, 3157, 3388, 3608, 3872, 4592, 4961, 6314, 6776, 7216, 9184, 9922, 12628, 13552, 14432, 17989, 19844, 25256, 27104, 34727, 35978, 39688, 50512, 69454, 71956, 79376, 101024, 125923, 138908, 143912, 158752, 197879, 251846, 277816, 287824, 395758, 503692, 555632, 575648, 737549, 791516, 1007384, 1111264, 1385153, 1475098, 1583032, 2014768, 2176669, 2770306, 2950196, 3166064, 4029536, 4353338, 5162843, 5540612, 5900392, 6332128, 8113039, 8706676, 10325686, 11081224, 11800784, 15236683, 16226078, 17413352, 20651372, 22162448, 23601568, 30473366, 32452156, 34826704, 41302744, 44324896, 56791273, 60946732, 64904312, 69653408, 82605488, 89243429, 113582546, 121893464, 129808624, 165210976, 178486858, 227165092, 243786928, 259617248, 356973716, 454330184, 487573856, 624704003, 713947432, 908660368, 1249408006, 1427894864, 1817320736, 2498816012, 2855789728, 4997632024, 9995264048, 19990528096]

約数ペア:

[(1, 19990528096), (2, 9995264048), (4, 4997632024), (7, 2855789728), (8, 2498816012), (11, 1817320736), (14, 1427894864), (16, 1249408006), (22, 908660368), (28, 713947432), (32, 624704003), (41, 487573856), (44, 454330184), (56, 356973716), (77, 259617248), (82, 243786928), (88, 227165092), (112, 178486858), (121, 165210976), (154, 129808624), (164, 121893464), (176, 113582546), (224, 89243429), (242, 82605488), (287, 69653408), (308, 64904312), (328, 60946732), (352, 56791273), (451, 44324896), (484, 41302744), (574, 34826704), (616, 32452156), (656, 30473366), (847, 23601568), (902, 22162448), (968, 20651372), (1148, 17413352), (1232, 16226078), (1312, 15236683), (1694, 11800784), (1804, 11081224), (1936, 10325686), (2296, 8706676), (2464, 8113039), (3157, 6332128), (3388, 5900392), (3608, 5540612), (3872, 5162843), (4592, 4353338), (4961, 4029536), (6314, 3166064), (6776, 2950196), (7216, 2770306), (9184, 2176669), (9922, 2014768), (12628, 1583032), (13552, 1475098), (14432, 1385153), (17989, 1111264), (19844, 1007384), (25256, 791516), (27104, 737549), (34727, 575648), (35978, 555632), (39688, 503692), (50512, 395758), (69454, 287824), (71956, 277816), (79376, 251846), (101024, 197879), (125923, 158752), (138908, 143912)]