18694837

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1399}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 3884363

約数列:

[1, 7, 23, 83, 161, 581, 1399, 1909, 9793, 13363, 32177, 116117, 225239, 812819, 2670691, 18694837]

約数ペア:

[(1, 18694837), (7, 2670691), (23, 812819), (83, 225239), (161, 116117), (581, 32177), (1399, 13363), (1909, 9793)]