19938432

素因数分解:

$2^7\times 3^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 53488800

約数和(自身を除く): 33550368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 274, 379, 384, 411, 548, 758, 822, 1096, 1137, 1516, 1644, 2192, 2274, 3032, 3288, 4384, 4548, 6064, 6576, 8768, 9096, 12128, 13152, 17536, 18192, 24256, 26304, 36384, 48512, 51923, 52608, 72768, 103846, 145536, 155769, 207692, 311538, 415384, 623076, 830768, 1246152, 1661536, 2492304, 3323072, 4984608, 6646144, 9969216, 19938432]

約数ペア:

[(1, 19938432), (2, 9969216), (3, 6646144), (4, 4984608), (6, 3323072), (8, 2492304), (12, 1661536), (16, 1246152), (24, 830768), (32, 623076), (48, 415384), (64, 311538), (96, 207692), (128, 155769), (137, 145536), (192, 103846), (274, 72768), (379, 52608), (384, 51923), (411, 48512), (548, 36384), (758, 26304), (822, 24256), (1096, 18192), (1137, 17536), (1516, 13152), (1644, 12128), (2192, 9096), (2274, 8768), (3032, 6576), (3288, 6064), (4384, 4548)]