18522891

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36107}}^1$

素因数の和:36135

約数の個数: 16

約数和(自身を含む): 28886400

約数和(自身を除く): 10363509

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36107, 108321, 324963, 686033, 974889, 2058099, 6174297, 18522891]

約数ペア:

[(1, 18522891), (3, 6174297), (9, 2058099), (19, 974889), (27, 686033), (57, 324963), (171, 108321), (513, 36107)]