18539210

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4129}}^1$

素因数の和:4585

約数の個数: 16

約数和(自身を含む): 33453000

約数和(自身を除く): 14913790

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4129, 4490, 8258, 20645, 41290, 1853921, 3707842, 9269605, 18539210]

約数ペア:

[(1, 18539210), (2, 9269605), (5, 3707842), (10, 1853921), (449, 41290), (898, 20645), (2245, 8258), (4129, 4490)]