18156975557

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1\times {\mathrm{18593}}^1$

素因数の和:20948

約数の個数: 16

約数和(自身を含む): 21101363712

約数和(自身を除く): 2944388155

約数列:

[1, 7, 61, 427, 2287, 16009, 18593, 130151, 139507, 976549, 1134173, 7939211, 42522191, 297655337, 2593853651, 18156975557]

約数ペア:

[(1, 18156975557), (7, 2593853651), (61, 297655337), (427, 42522191), (2287, 7939211), (16009, 1134173), (18593, 976549), (130151, 139507)]