13287878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3929}}^1$

素因数の和:4039

約数の個数: 16

約数和(自身を含む): 21222000

約数和(自身を除く): 7934122

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 3929, 7858, 74651, 149302, 349681, 699362, 6643939, 13287878]

約数ペア:

[(1, 13287878), (2, 6643939), (19, 699362), (38, 349681), (89, 149302), (178, 74651), (1691, 7858), (3382, 3929)]