19890584

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15443}}^1$

素因数の和:15479

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 24588136

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15443, 30886, 61772, 108101, 123544, 216202, 355189, 432404, 710378, 864808, 1420756, 2486323, 2841512, 4972646, 9945292, 19890584]

約数ペア:

[(1, 19890584), (2, 9945292), (4, 4972646), (7, 2841512), (8, 2486323), (14, 1420756), (23, 864808), (28, 710378), (46, 432404), (56, 355189), (92, 216202), (161, 123544), (184, 108101), (322, 61772), (644, 30886), (1288, 15443)]