19774573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11437}}^1$

素因数の和:11476

約数の個数: 16

約数和(自身を含む): 25621120

約数和(自身を除く): 5846547

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11437, 80059, 148681, 217303, 1040767, 1521121, 2824939, 19774573]

約数ペア:

[(1, 19774573), (7, 2824939), (13, 1521121), (19, 1040767), (91, 217303), (133, 148681), (247, 80059), (1729, 11437)]