19278357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{54001}}^1$

素因数の和:54028

約数の個数: 16

約数和(自身を含む): 31105152

約数和(自身を除く): 11826795

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 54001, 162003, 378007, 918017, 1134021, 2754051, 6426119, 19278357]

約数ペア:

[(1, 19278357), (3, 6426119), (7, 2754051), (17, 1134021), (21, 918017), (51, 378007), (119, 162003), (357, 54001)]