18812983

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3823}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 23249920

約数和(自身を除く): 4436937

約数列:

[1, 7, 19, 37, 133, 259, 703, 3823, 4921, 26761, 72637, 141451, 508459, 990157, 2687569, 18812983]

約数ペア:

[(1, 18812983), (7, 2687569), (19, 990157), (37, 508459), (133, 141451), (259, 72637), (703, 26761), (3823, 4921)]