18844520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2441}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 42637320

約数和(自身を除く): 23792800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2441, 3860, 4882, 7720, 9764, 12205, 19528, 24410, 48820, 97640, 471113, 942226, 1884452, 2355565, 3768904, 4711130, 9422260, 18844520]

約数ペア:

[(1, 18844520), (2, 9422260), (4, 4711130), (5, 3768904), (8, 2355565), (10, 1884452), (20, 942226), (40, 471113), (193, 97640), (386, 48820), (772, 24410), (965, 19528), (1544, 12205), (1930, 9764), (2441, 7720), (3860, 4882)]