18865959

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1327}}^1$

素因数の和:2014

約数の個数: 16

約数和(自身を含む): 28812288

約数和(自身を除く): 9946329

約数列:

[1, 3, 7, 21, 677, 1327, 2031, 3981, 4739, 9289, 14217, 27867, 898379, 2695137, 6288653, 18865959]

約数ペア:

[(1, 18865959), (3, 6288653), (7, 2695137), (21, 898379), (677, 27867), (1327, 14217), (2031, 9289), (3981, 4739)]