19369449

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21739}}^1$

素因数の和:21762

約数の個数: 20

約数和(自身を含む): 31566480

約数和(自身を除く): 12197031

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21739, 65217, 195651, 239129, 586953, 717387, 1760859, 2152161, 6456483, 19369449]

約数ペア:

[(1, 19369449), (3, 6456483), (9, 2152161), (11, 1760859), (27, 717387), (33, 586953), (81, 239129), (99, 195651), (297, 65217), (891, 21739)]