19897083

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 30624048

約数和(自身を除く): 10726965

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2213, 2997, 6639, 8991, 19917, 59751, 81881, 179253, 245643, 537759, 736929, 2210787, 6632361, 19897083]

約数ペア:

[(1, 19897083), (3, 6632361), (9, 2210787), (27, 736929), (37, 537759), (81, 245643), (111, 179253), (243, 81881), (333, 59751), (999, 19917), (2213, 8991), (2997, 6639)]