18723942016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1733}}^1$

素因数の和:1954

約数の個数: 128

約数和(自身を含む): 41401261440

約数和(自身を除く): 22677319424

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 151, 172, 208, 302, 344, 416, 559, 604, 688, 832, 1118, 1208, 1376, 1664, 1733, 1963, 2236, 2416, 2752, 3466, 3926, 4472, 4832, 5504, 6493, 6932, 7852, 8944, 9664, 12986, 13864, 15704, 17888, 19328, 22529, 25972, 27728, 31408, 35776, 45058, 51944, 55456, 62816, 71552, 74519, 84409, 90116, 103888, 110912, 125632, 149038, 168818, 180232, 207776, 221824, 251264, 261683, 298076, 337636, 360464, 415552, 523366, 596152, 675272, 720928, 831104, 968747, 1046732, 1192304, 1350544, 1441856, 1937494, 2093464, 2384608, 2701088, 2883712, 3401879, 3874988, 4186928, 4769216, 5402176, 6803758, 7749976, 8373856, 9538432, 10804352, 11252369, 13607516, 15499952, 16747712, 22504738, 27215032, 30999904, 33495424, 45009476, 54430064, 61999808, 90018952, 108860128, 123999616, 146280797, 180037904, 217720256, 292561594, 360075808, 435440512, 585123188, 720151616, 1170246376, 1440303232, 2340492752, 4680985504, 9361971008, 18723942016]

約数ペア:

[(1, 18723942016), (2, 9361971008), (4, 4680985504), (8, 2340492752), (13, 1440303232), (16, 1170246376), (26, 720151616), (32, 585123188), (43, 435440512), (52, 360075808), (64, 292561594), (86, 217720256), (104, 180037904), (128, 146280797), (151, 123999616), (172, 108860128), (208, 90018952), (302, 61999808), (344, 54430064), (416, 45009476), (559, 33495424), (604, 30999904), (688, 27215032), (832, 22504738), (1118, 16747712), (1208, 15499952), (1376, 13607516), (1664, 11252369), (1733, 10804352), (1963, 9538432), (2236, 8373856), (2416, 7749976), (2752, 6803758), (3466, 5402176), (3926, 4769216), (4472, 4186928), (4832, 3874988), (5504, 3401879), (6493, 2883712), (6932, 2701088), (7852, 2384608), (8944, 2093464), (9664, 1937494), (12986, 1441856), (13864, 1350544), (15704, 1192304), (17888, 1046732), (19328, 968747), (22529, 831104), (25972, 720928), (27728, 675272), (31408, 596152), (35776, 523366), (45058, 415552), (51944, 360464), (55456, 337636), (62816, 298076), (71552, 261683), (74519, 251264), (84409, 221824), (90116, 207776), (103888, 180232), (110912, 168818), (125632, 149038)]