19982336

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{887}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 43636320

約数和(自身を除く): 23653984

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 887, 1024, 1408, 1774, 2048, 2816, 3548, 5632, 7096, 9757, 11264, 14192, 19514, 22528, 28384, 39028, 56768, 78056, 113536, 156112, 227072, 312224, 454144, 624448, 908288, 1248896, 1816576, 2497792, 4995584, 9991168, 19982336]

約数ペア:

[(1, 19982336), (2, 9991168), (4, 4995584), (8, 2497792), (11, 1816576), (16, 1248896), (22, 908288), (32, 624448), (44, 454144), (64, 312224), (88, 227072), (128, 156112), (176, 113536), (256, 78056), (352, 56768), (512, 39028), (704, 28384), (887, 22528), (1024, 19514), (1408, 14192), (1774, 11264), (2048, 9757), (2816, 7096), (3548, 5632)]