19745499

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 27118080

約数和(自身を除く): 7372581

約数列:

[1, 3, 47, 131, 141, 393, 1069, 3207, 6157, 18471, 50243, 140039, 150729, 420117, 6581833, 19745499]

約数ペア:

[(1, 19745499), (3, 6581833), (47, 420117), (131, 150729), (141, 140039), (393, 50243), (1069, 18471), (3207, 6157)]