18855176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{138641}}^1$

素因数の和:138664

約数の個数: 16

約数和(自身を含む): 37433340

約数和(自身を除く): 18578164

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 138641, 277282, 554564, 1109128, 2356897, 4713794, 9427588, 18855176]

約数ペア:

[(1, 18855176), (2, 9427588), (4, 4713794), (8, 2356897), (17, 1109128), (34, 554564), (68, 277282), (136, 138641)]