18478894

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4217}}^1$

素因数の和:4539

約数の個数: 16

約数和(自身を含む): 31786848

約数和(自身を除く): 13307954

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4217, 4382, 8434, 29519, 59038, 1319921, 2639842, 9239447, 18478894]

約数ペア:

[(1, 18478894), (2, 9239447), (7, 2639842), (14, 1319921), (313, 59038), (626, 29519), (2191, 8434), (4217, 4382)]