19500032

素因数分解:

$2^{10}\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 44

約数和(自身を含む): 39548040

約数和(自身を除く): 20048008

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 139, 256, 274, 278, 512, 548, 556, 1024, 1096, 1112, 2192, 2224, 4384, 4448, 8768, 8896, 17536, 17792, 19043, 35072, 35584, 38086, 70144, 71168, 76172, 140288, 142336, 152344, 304688, 609376, 1218752, 2437504, 4875008, 9750016, 19500032]

約数ペア:

[(1, 19500032), (2, 9750016), (4, 4875008), (8, 2437504), (16, 1218752), (32, 609376), (64, 304688), (128, 152344), (137, 142336), (139, 140288), (256, 76172), (274, 71168), (278, 70144), (512, 38086), (548, 35584), (556, 35072), (1024, 19043), (1096, 17792), (1112, 17536), (2192, 8896), (2224, 8768), (4384, 4448)]