18512116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{38891}}^1$

素因数の和:38919

約数の個数: 24

約数和(自身を含む): 39203136

約数和(自身を除く): 20691020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 38891, 77782, 155564, 272237, 544474, 661147, 1088948, 1322294, 2644588, 4628029, 9256058, 18512116]

約数ペア:

[(1, 18512116), (2, 9256058), (4, 4628029), (7, 2644588), (14, 1322294), (17, 1088948), (28, 661147), (34, 544474), (68, 272237), (119, 155564), (238, 77782), (476, 38891)]