18486531357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{51783001}}^1$

素因数の和:51783028

約数の個数: 16

約数和(自身を含む): 29827009152

約数和(自身を除く): 11340477795

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 51783001, 155349003, 362481007, 880311017, 1087443021, 2640933051, 6162177119, 18486531357]

約数ペア:

[(1, 18486531357), (3, 6162177119), (7, 2640933051), (17, 1087443021), (21, 880311017), (51, 362481007), (119, 155349003), (357, 51783001)]