19914304

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5101}}^1$

素因数の和:5174

約数の個数: 28

約数和(自身を含む): 40173148

約数和(自身を除く): 20258844

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5101, 10202, 20404, 40808, 81616, 163232, 311161, 326464, 622322, 1244644, 2489288, 4978576, 9957152, 19914304]

約数ペア:

[(1, 19914304), (2, 9957152), (4, 4978576), (8, 2489288), (16, 1244644), (32, 622322), (61, 326464), (64, 311161), (122, 163232), (244, 81616), (488, 40808), (976, 20404), (1952, 10202), (3904, 5101)]