19289936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38891}}^1$

素因数の和:38930

約数の個数: 20

約数和(自身を含む): 38580864

約数和(自身を除く): 19290928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38891, 77782, 155564, 311128, 622256, 1205621, 2411242, 4822484, 9644968, 19289936]

約数ペア:

[(1, 19289936), (2, 9644968), (4, 4822484), (8, 2411242), (16, 1205621), (31, 622256), (62, 311128), (124, 155564), (248, 77782), (496, 38891)]