19773663

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72431}}^1$

素因数の和:72454

約数の個数: 16

約数和(自身を含む): 32449536

約数和(自身を除く): 12675873

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72431, 217293, 507017, 941603, 1521051, 2824809, 6591221, 19773663]

約数ペア:

[(1, 19773663), (3, 6591221), (7, 2824809), (13, 1521051), (21, 941603), (39, 507017), (91, 217293), (273, 72431)]