19112027344

素因数分解:

$2^4\times {\mathrm{19}}^3\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:913

約数の個数: 80

約数和(自身を含む): 39277000000

約数和(自身を除く): 20164972656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 349, 361, 499, 698, 722, 998, 1396, 1444, 1996, 2792, 2888, 3992, 5584, 5776, 6631, 6859, 7984, 9481, 13262, 13718, 18962, 26524, 27436, 37924, 53048, 54872, 75848, 106096, 109744, 125989, 151696, 174151, 180139, 251978, 348302, 360278, 503956, 696604, 720556, 1007912, 1393208, 1441112, 2015824, 2393791, 2786416, 2882224, 3308869, 3422641, 4787582, 6617738, 6845282, 9575164, 13235476, 13690564, 19150328, 26470952, 27381128, 38300656, 52941904, 54762256, 62868511, 125737022, 251474044, 502948088, 1005896176, 1194501709, 2389003418, 4778006836, 9556013672, 19112027344]

約数ペア:

[(1, 19112027344), (2, 9556013672), (4, 4778006836), (8, 2389003418), (16, 1194501709), (19, 1005896176), (38, 502948088), (76, 251474044), (152, 125737022), (304, 62868511), (349, 54762256), (361, 52941904), (499, 38300656), (698, 27381128), (722, 26470952), (998, 19150328), (1396, 13690564), (1444, 13235476), (1996, 9575164), (2792, 6845282), (2888, 6617738), (3992, 4787582), (5584, 3422641), (5776, 3308869), (6631, 2882224), (6859, 2786416), (7984, 2393791), (9481, 2015824), (13262, 1441112), (13718, 1393208), (18962, 1007912), (26524, 720556), (27436, 696604), (37924, 503956), (53048, 360278), (54872, 348302), (75848, 251978), (106096, 180139), (109744, 174151), (125989, 151696)]