18021509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 20805120

約数和(自身を除く): 2783611

約数列:

[1, 11, 31, 41, 341, 451, 1271, 1289, 13981, 14179, 39959, 52849, 439549, 581339, 1638319, 18021509]

約数ペア:

[(1, 18021509), (11, 1638319), (31, 581339), (41, 439549), (341, 52849), (451, 39959), (1271, 14179), (1289, 13981)]