18000784

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12641}}^1$

素因数の和:12738

約数の個数: 20

約数和(自身を含む): 35271180

約数和(自身を除く): 17270396

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12641, 25282, 50564, 101128, 202256, 1125049, 2250098, 4500196, 9000392, 18000784]

約数ペア:

[(1, 18000784), (2, 9000392), (4, 4500196), (8, 2250098), (16, 1125049), (89, 202256), (178, 101128), (356, 50564), (712, 25282), (1424, 12641)]