19105405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{617}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 25095744

約数和(自身を除く): 5990339

約数列:

[1, 5, 11, 55, 563, 617, 2815, 3085, 6193, 6787, 30965, 33935, 347371, 1736855, 3821081, 19105405]

約数ペア:

[(1, 19105405), (5, 3821081), (11, 1736855), (55, 347371), (563, 33935), (617, 30965), (2815, 6787), (3085, 6193)]