19803136

素因数分解:

$2^{10}\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:336

約数の個数: 44

約数和(自身を含む): 40235832

約数和(自身を除く): 20432696

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 233, 256, 332, 466, 512, 664, 932, 1024, 1328, 1864, 2656, 3728, 5312, 7456, 10624, 14912, 19339, 21248, 29824, 38678, 42496, 59648, 77356, 84992, 119296, 154712, 238592, 309424, 618848, 1237696, 2475392, 4950784, 9901568, 19803136]

約数ペア:

[(1, 19803136), (2, 9901568), (4, 4950784), (8, 2475392), (16, 1237696), (32, 618848), (64, 309424), (83, 238592), (128, 154712), (166, 119296), (233, 84992), (256, 77356), (332, 59648), (466, 42496), (512, 38678), (664, 29824), (932, 21248), (1024, 19339), (1328, 14912), (1864, 10624), (2656, 7456), (3728, 5312)]