19256671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 23522560

約数和(自身を除く): 4265889

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2161, 8911, 15127, 41059, 144787, 287413, 1013509, 2750953, 19256671]

約数ペア:

[(1, 19256671), (7, 2750953), (19, 1013509), (67, 287413), (133, 144787), (469, 41059), (1273, 15127), (2161, 8911)]