18949403

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 22083840

約数和(自身を除く): 3134437

約数列:

[1, 11, 19, 71, 209, 781, 1277, 1349, 14047, 14839, 24263, 90667, 266893, 997337, 1722673, 18949403]

約数ペア:

[(1, 18949403), (11, 1722673), (19, 997337), (71, 266893), (209, 90667), (781, 24263), (1277, 14839), (1349, 14047)]