18909644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21391}}^1$

素因数の和:21425

約数の個数: 24

約数和(自身を含む): 37735488

約数和(自身を除く): 18825844

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 21391, 42782, 85564, 278083, 363647, 556166, 727294, 1112332, 1454588, 4727411, 9454822, 18909644]

約数ペア:

[(1, 18909644), (2, 9454822), (4, 4727411), (13, 1454588), (17, 1112332), (26, 727294), (34, 556166), (52, 363647), (68, 278083), (221, 85564), (442, 42782), (884, 21391)]