19387701

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42239}}^1$

素因数の和:42265

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 11025099

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42239, 126717, 380151, 718063, 1140453, 2154189, 6462567, 19387701]

約数ペア:

[(1, 19387701), (3, 6462567), (9, 2154189), (17, 1140453), (27, 718063), (51, 380151), (153, 126717), (459, 42239)]