18905703

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7057}}^1$

素因数の和:7126

約数の個数: 16

約数和(自身を含む): 27102720

約数和(自身を除く): 8197017

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7057, 21171, 134083, 331679, 402249, 995037, 6301901, 18905703]

約数ペア:

[(1, 18905703), (3, 6301901), (19, 995037), (47, 402249), (57, 331679), (141, 134083), (893, 21171), (2679, 7057)]