18820516928

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{22567}}^1$

素因数の和:22819

約数の個数: 56

約数和(自身を含む): 38039356992

約数和(自身を除く): 19218840064

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 157, 166, 314, 332, 628, 664, 1256, 1328, 2512, 2656, 5024, 5312, 10048, 13031, 22567, 26062, 45134, 52124, 90268, 104248, 180536, 208496, 361072, 416992, 722144, 833984, 1444288, 1873061, 3543019, 3746122, 7086038, 7492244, 14172076, 14984488, 28344152, 29968976, 56688304, 59937952, 113376608, 119875904, 226753216, 294070577, 588141154, 1176282308, 2352564616, 4705129232, 9410258464, 18820516928]

約数ペア:

[(1, 18820516928), (2, 9410258464), (4, 4705129232), (8, 2352564616), (16, 1176282308), (32, 588141154), (64, 294070577), (83, 226753216), (157, 119875904), (166, 113376608), (314, 59937952), (332, 56688304), (628, 29968976), (664, 28344152), (1256, 14984488), (1328, 14172076), (2512, 7492244), (2656, 7086038), (5024, 3746122), (5312, 3543019), (10048, 1873061), (13031, 1444288), (22567, 833984), (26062, 722144), (45134, 416992), (52124, 361072), (90268, 208496), (104248, 180536)]