18757161

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 28704000

約数和(自身を除く): 9946839

約数列:

[1, 3, 9, 19, 57, 171, 229, 479, 687, 1437, 2061, 4311, 4351, 9101, 13053, 27303, 39159, 81909, 109691, 329073, 987219, 2084129, 6252387, 18757161]

約数ペア:

[(1, 18757161), (3, 6252387), (9, 2084129), (19, 987219), (57, 329073), (171, 109691), (229, 81909), (479, 39159), (687, 27303), (1437, 13053), (2061, 9101), (4311, 4351)]