19362420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 74360832

約数和(自身を除く): 54998412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 127, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 254, 308, 315, 330, 363, 381, 385, 396, 420, 462, 484, 495, 508, 605, 630, 635, 660, 693, 726, 762, 770, 847, 889, 924, 990, 1089, 1143, 1155, 1210, 1260, 1270, 1386, 1397, 1452, 1524, 1540, 1694, 1778, 1815, 1905, 1980, 2178, 2286, 2310, 2420, 2540, 2541, 2667, 2772, 2794, 3388, 3465, 3556, 3630, 3810, 4191, 4235, 4356, 4445, 4572, 4620, 5082, 5334, 5445, 5588, 5715, 6930, 6985, 7260, 7620, 7623, 8001, 8382, 8470, 8890, 9779, 10164, 10668, 10890, 11430, 12573, 12705, 13335, 13860, 13970, 15246, 15367, 16002, 16764, 16940, 17780, 19558, 20955, 21780, 22860, 25146, 25410, 26670, 27940, 29337, 30492, 30734, 32004, 38115, 39116, 40005, 41910, 46101, 48895, 50292, 50820, 53340, 58674, 61468, 62865, 76230, 76835, 80010, 83820, 88011, 92202, 97790, 107569, 117348, 125730, 138303, 146685, 152460, 153670, 160020, 176022, 184404, 195580, 215138, 230505, 251460, 276606, 293370, 307340, 322707, 352044, 430276, 440055, 461010, 537845, 553212, 586740, 645414, 691515, 880110, 922020, 968121, 1075690, 1290828, 1383030, 1613535, 1760220, 1936242, 2151380, 2766060, 3227070, 3872484, 4840605, 6454140, 9681210, 19362420]

約数ペア:

[(1, 19362420), (2, 9681210), (3, 6454140), (4, 4840605), (5, 3872484), (6, 3227070), (7, 2766060), (9, 2151380), (10, 1936242), (11, 1760220), (12, 1613535), (14, 1383030), (15, 1290828), (18, 1075690), (20, 968121), (21, 922020), (22, 880110), (28, 691515), (30, 645414), (33, 586740), (35, 553212), (36, 537845), (42, 461010), (44, 440055), (45, 430276), (55, 352044), (60, 322707), (63, 307340), (66, 293370), (70, 276606), (77, 251460), (84, 230505), (90, 215138), (99, 195580), (105, 184404), (110, 176022), (121, 160020), (126, 153670), (127, 152460), (132, 146685), (140, 138303), (154, 125730), (165, 117348), (180, 107569), (198, 97790), (210, 92202), (220, 88011), (231, 83820), (242, 80010), (252, 76835), (254, 76230), (308, 62865), (315, 61468), (330, 58674), (363, 53340), (381, 50820), (385, 50292), (396, 48895), (420, 46101), (462, 41910), (484, 40005), (495, 39116), (508, 38115), (605, 32004), (630, 30734), (635, 30492), (660, 29337), (693, 27940), (726, 26670), (762, 25410), (770, 25146), (847, 22860), (889, 21780), (924, 20955), (990, 19558), (1089, 17780), (1143, 16940), (1155, 16764), (1210, 16002), (1260, 15367), (1270, 15246), (1386, 13970), (1397, 13860), (1452, 13335), (1524, 12705), (1540, 12573), (1694, 11430), (1778, 10890), (1815, 10668), (1905, 10164), (1980, 9779), (2178, 8890), (2286, 8470), (2310, 8382), (2420, 8001), (2540, 7623), (2541, 7620), (2667, 7260), (2772, 6985), (2794, 6930), (3388, 5715), (3465, 5588), (3556, 5445), (3630, 5334), (3810, 5082), (4191, 4620), (4235, 4572), (4356, 4445)]