18635380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13907}}^1$

素因数の和:13983

約数の個数: 24

約数和(自身を含む): 39721248

約数和(自身を除く): 21085868

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 13907, 27814, 55628, 69535, 139070, 278140, 931769, 1863538, 3727076, 4658845, 9317690, 18635380]

約数ペア:

[(1, 18635380), (2, 9317690), (4, 4658845), (5, 3727076), (10, 1863538), (20, 931769), (67, 278140), (134, 139070), (268, 69535), (335, 55628), (670, 27814), (1340, 13907)]