19265380

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2011}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 40561920

約数和(自身を除く): 21296540

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2011, 2395, 4022, 4790, 8044, 9580, 10055, 20110, 40220, 963269, 1926538, 3853076, 4816345, 9632690, 19265380]

約数ペア:

[(1, 19265380), (2, 9632690), (4, 4816345), (5, 3853076), (10, 1926538), (20, 963269), (479, 40220), (958, 20110), (1916, 10055), (2011, 9580), (2395, 8044), (4022, 4790)]