19054805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1151}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 29196288

約数和(自身を除く): 10141483

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1151, 1505, 2365, 3311, 5755, 8057, 12661, 16555, 40285, 49493, 63305, 88627, 247465, 346451, 443135, 544423, 1732255, 2722115, 3810961, 19054805]

約数ペア:

[(1, 19054805), (5, 3810961), (7, 2722115), (11, 1732255), (35, 544423), (43, 443135), (55, 346451), (77, 247465), (215, 88627), (301, 63305), (385, 49493), (473, 40285), (1151, 16555), (1505, 12661), (2365, 8057), (3311, 5755)]