18518140

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1933}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 38989440

約数和(自身を除く): 20471300

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 1933, 2395, 3866, 4790, 7732, 9580, 9665, 19330, 38660, 925907, 1851814, 3703628, 4629535, 9259070, 18518140]

約数ペア:

[(1, 18518140), (2, 9259070), (4, 4629535), (5, 3703628), (10, 1851814), (20, 925907), (479, 38660), (958, 19330), (1916, 9665), (1933, 9580), (2395, 7732), (3866, 4790)]