18438113

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 20328000

約数和(自身を除く): 1889887

約数列:

[1, 19, 29, 109, 307, 551, 2071, 3161, 5833, 8903, 33463, 60059, 169157, 635797, 970427, 18438113]

約数ペア:

[(1, 18438113), (19, 970427), (29, 635797), (109, 169157), (307, 60059), (551, 33463), (2071, 8903), (3161, 5833)]