18687977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8369}}^1$

素因数の和:8416

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 5417623

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 8369, 58583, 92059, 242701, 644413, 1698907, 2669711, 18687977]

約数ペア:

[(1, 18687977), (7, 2669711), (11, 1698907), (29, 644413), (77, 242701), (203, 92059), (319, 58583), (2233, 8369)]