19917279074

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 40045363200

約数和(自身を除く): 20128084126

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 67, 77, 133, 134, 154, 209, 266, 283, 359, 418, 469, 566, 718, 737, 938, 1273, 1463, 1474, 1981, 2513, 2546, 2926, 3113, 3949, 3962, 5026, 5159, 5377, 6226, 6821, 7898, 8911, 10318, 10754, 13642, 14003, 17822, 18961, 21791, 24053, 27643, 28006, 37639, 37922, 43582, 47747, 48106, 55286, 59147, 75031, 75278, 95494, 98021, 101597, 118294, 132727, 150062, 168371, 196042, 203194, 208571, 264583, 265454, 336742, 360259, 414029, 417142, 457007, 525217, 529166, 711179, 720518, 828058, 914014, 1050434, 1117567, 1422358, 1459997, 1852081, 1930343, 2235134, 2521813, 2919994, 3199049, 3704162, 3860686, 3962849, 5027077, 5043626, 6398098, 6806999, 7822969, 7925698, 10054154, 13512401, 13613998, 15645938, 21233773, 27024802, 27739943, 35189539, 42467546, 47648993, 55479886, 70379078, 74876989, 95297986, 129332981, 148636411, 149753978, 258665962, 297272822, 524138923, 905330867, 1048277846, 1422662791, 1810661734, 2845325582, 9958639537, 19917279074]

約数ペア:

[(1, 19917279074), (2, 9958639537), (7, 2845325582), (11, 1810661734), (14, 1422662791), (19, 1048277846), (22, 905330867), (38, 524138923), (67, 297272822), (77, 258665962), (133, 149753978), (134, 148636411), (154, 129332981), (209, 95297986), (266, 74876989), (283, 70379078), (359, 55479886), (418, 47648993), (469, 42467546), (566, 35189539), (718, 27739943), (737, 27024802), (938, 21233773), (1273, 15645938), (1463, 13613998), (1474, 13512401), (1981, 10054154), (2513, 7925698), (2546, 7822969), (2926, 6806999), (3113, 6398098), (3949, 5043626), (3962, 5027077), (5026, 3962849), (5159, 3860686), (5377, 3704162), (6226, 3199049), (6821, 2919994), (7898, 2521813), (8911, 2235134), (10318, 1930343), (10754, 1852081), (13642, 1459997), (14003, 1422358), (17822, 1117567), (18961, 1050434), (21791, 914014), (24053, 828058), (27643, 720518), (28006, 711179), (37639, 529166), (37922, 525217), (43582, 457007), (47747, 417142), (48106, 414029), (55286, 360259), (59147, 336742), (75031, 265454), (75278, 264583), (95494, 208571), (98021, 203194), (101597, 196042), (118294, 168371), (132727, 150062)]