18904732864

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{55807}}^1$

素因数の和:55965

約数の個数: 56

約数和(自身を含む): 38556631040

約数和(自身を除く): 19651898176

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 79, 134, 158, 268, 316, 536, 632, 1072, 1264, 2144, 2528, 4288, 5056, 5293, 10586, 21172, 42344, 55807, 84688, 111614, 169376, 223228, 338752, 446456, 892912, 1785824, 3571648, 3739069, 4408753, 7478138, 8817506, 14956276, 17635012, 29912552, 35270024, 59825104, 70540048, 119650208, 141080096, 239300416, 282160192, 295386451, 590772902, 1181545804, 2363091608, 4726183216, 9452366432, 18904732864]

約数ペア:

[(1, 18904732864), (2, 9452366432), (4, 4726183216), (8, 2363091608), (16, 1181545804), (32, 590772902), (64, 295386451), (67, 282160192), (79, 239300416), (134, 141080096), (158, 119650208), (268, 70540048), (316, 59825104), (536, 35270024), (632, 29912552), (1072, 17635012), (1264, 14956276), (2144, 8817506), (2528, 7478138), (4288, 4408753), (5056, 3739069), (5293, 3571648), (10586, 1785824), (21172, 892912), (42344, 446456), (55807, 338752), (84688, 223228), (111614, 169376)]