18460987573

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1\times {\mathrm{20393}}^1$

素因数の和:22116

約数の個数: 16

約数和(自身を含む): 21379438080

約数和(自身を除く): 2918450507

約数列:

[1, 7, 79, 553, 1637, 11459, 20393, 129323, 142751, 905261, 1611047, 11277329, 33383341, 233683387, 2637283939, 18460987573]

約数ペア:

[(1, 18460987573), (7, 2637283939), (79, 233683387), (553, 33383341), (1637, 11277329), (11459, 1611047), (20393, 905261), (129323, 142751)]