19120689

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1361}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 31729152

約数和(自身を除く): 12608463

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1361, 1561, 2007, 4083, 4683, 9527, 12249, 14049, 28581, 85743, 303503, 910509, 2124521, 2731527, 6373563, 19120689]

約数ペア:

[(1, 19120689), (3, 6373563), (7, 2731527), (9, 2124521), (21, 910509), (63, 303503), (223, 85743), (669, 28581), (1361, 14049), (1561, 12249), (2007, 9527), (4083, 4683)]