19940739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73043}}^1$

素因数の和:73066

約数の個数: 16

約数和(自身を含む): 32723712

約数和(自身を除く): 12782973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73043, 219129, 511301, 949559, 1533903, 2848677, 6646913, 19940739]

約数ペア:

[(1, 19940739), (3, 6646913), (7, 2848677), (13, 1533903), (21, 949559), (39, 511301), (91, 219129), (273, 73043)]