19661105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4813}}^1$

素因数の和:4880

約数の個数: 16

約数和(自身を含む): 25417920

約数和(自身を除く): 5756815

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4813, 24065, 91447, 206959, 457235, 1034795, 3932221, 19661105]

約数ペア:

[(1, 19661105), (5, 3932221), (19, 1034795), (43, 457235), (95, 206959), (215, 91447), (817, 24065), (4085, 4813)]