19418157

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{65381}}^1$

素因数の和:65401

約数の個数: 16

約数和(自身を含む): 31383360

約数和(自身を除く): 11965203

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 65381, 196143, 588429, 719191, 1765287, 2157573, 6472719, 19418157]

約数ペア:

[(1, 19418157), (3, 6472719), (9, 2157573), (11, 1765287), (27, 719191), (33, 588429), (99, 196143), (297, 65381)]