19387905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{76031}}^1$

素因数の和:76056

約数の個数: 16

約数和(自身を含む): 32845824

約数和(自身を除く): 13457919

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 76031, 228093, 380155, 1140465, 1292527, 3877581, 6462635, 19387905]

約数ペア:

[(1, 19387905), (3, 6462635), (5, 3877581), (15, 1292527), (17, 1140465), (51, 380155), (85, 228093), (255, 76031)]