19790227

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 21866112

約数和(自身を除く): 2075885

約数列:

[1, 17, 37, 73, 431, 629, 1241, 2701, 7327, 15947, 31463, 45917, 271099, 534871, 1164131, 19790227]

約数ペア:

[(1, 19790227), (17, 1164131), (37, 534871), (73, 271099), (431, 45917), (629, 31463), (1241, 15947), (2701, 7327)]