19996443

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{8923}}^1$

素因数の和:9015

約数の個数: 16

約数和(自身を含む): 29984640

約数和(自身を除く): 9988197

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 8923, 26769, 80307, 240921, 740609, 2221827, 6665481, 19996443]

約数ペア:

[(1, 19996443), (3, 6665481), (9, 2221827), (27, 740609), (83, 240921), (249, 80307), (747, 26769), (2241, 8923)]