18451340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9511}}^1$

素因数の和:9617

約数の個数: 24

約数和(自身を含む): 39151392

約数和(自身を除く): 20700052

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9511, 19022, 38044, 47555, 95110, 190220, 922567, 1845134, 3690268, 4612835, 9225670, 18451340]

約数ペア:

[(1, 18451340), (2, 9225670), (4, 4612835), (5, 3690268), (10, 1845134), (20, 922567), (97, 190220), (194, 95110), (388, 47555), (485, 38044), (970, 19022), (1940, 9511)]