19707153

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 27844128

約数和(自身を除く): 8136975

約数列:

[1, 3, 29, 73, 87, 107, 219, 321, 841, 2117, 2523, 3103, 6351, 7811, 9309, 23433, 61393, 89987, 184179, 226519, 269961, 679557, 6569051, 19707153]

約数ペア:

[(1, 19707153), (3, 6569051), (29, 679557), (73, 269961), (87, 226519), (107, 184179), (219, 89987), (321, 61393), (841, 23433), (2117, 9309), (2523, 7811), (3103, 6351)]