18211227

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 6499173

約数列:

[1, 3, 131, 149, 311, 393, 447, 933, 19519, 40741, 46339, 58557, 122223, 139017, 6070409, 18211227]

約数ペア:

[(1, 18211227), (3, 6070409), (131, 139017), (149, 122223), (311, 58557), (393, 46339), (447, 40741), (933, 19519)]