18764758768

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{3361}}^1$

素因数の和:4086

約数の個数: 80

約数和(自身を含む): 42155714560

約数和(自身を除く): 23390955792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 631, 632, 1106, 1262, 1264, 2212, 2524, 3361, 4417, 4424, 5048, 6722, 8834, 8848, 10096, 13444, 17668, 23527, 26888, 35336, 47054, 49849, 53776, 70672, 94108, 99698, 188216, 199396, 265519, 348943, 376432, 398792, 531038, 697886, 797584, 1062076, 1395772, 1858633, 2120791, 2124152, 2791544, 3717266, 4241582, 4248304, 5583088, 7434532, 8483164, 14845537, 14869064, 16966328, 29691074, 29738128, 33932656, 59382148, 118764296, 167542489, 237528592, 335084978, 670169956, 1172797423, 1340339912, 2345594846, 2680679824, 4691189692, 9382379384, 18764758768]

約数ペア:

[(1, 18764758768), (2, 9382379384), (4, 4691189692), (7, 2680679824), (8, 2345594846), (14, 1340339912), (16, 1172797423), (28, 670169956), (56, 335084978), (79, 237528592), (112, 167542489), (158, 118764296), (316, 59382148), (553, 33932656), (631, 29738128), (632, 29691074), (1106, 16966328), (1262, 14869064), (1264, 14845537), (2212, 8483164), (2524, 7434532), (3361, 5583088), (4417, 4248304), (4424, 4241582), (5048, 3717266), (6722, 2791544), (8834, 2124152), (8848, 2120791), (10096, 1858633), (13444, 1395772), (17668, 1062076), (23527, 797584), (26888, 697886), (35336, 531038), (47054, 398792), (49849, 376432), (53776, 348943), (70672, 265519), (94108, 199396), (99698, 188216)]