18260561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 20487168

約数和(自身を除く): 2226607

約数列:

[1, 11, 71, 103, 227, 781, 1133, 2497, 7313, 16117, 23381, 80443, 177287, 257191, 1660051, 18260561]

約数ペア:

[(1, 18260561), (11, 1660051), (71, 257191), (103, 177287), (227, 80443), (781, 23381), (1133, 16117), (2497, 7313)]