18994664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{182641}}^1$

素因数の和:182660

約数の個数: 16

約数和(自身を含む): 38354820

約数和(自身を除く): 19360156

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 182641, 365282, 730564, 1461128, 2374333, 4748666, 9497332, 18994664]

約数ペア:

[(1, 18994664), (2, 9497332), (4, 4748666), (8, 2374333), (13, 1461128), (26, 730564), (52, 365282), (104, 182641)]