18538810

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26111}}^1$

素因数の和:26189

約数の個数: 16

約数和(自身を含む): 33841152

約数和(自身を除く): 15302342

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26111, 52222, 130555, 261110, 1853881, 3707762, 9269405, 18538810]

約数ペア:

[(1, 18538810), (2, 9269405), (5, 3707762), (10, 1853881), (71, 261110), (142, 130555), (355, 52222), (710, 26111)]