19426644

素因数分解:

$2^2\times 3^2\times {\mathrm{539629}}^1$

素因数の和:539639

約数の個数: 18

約数和(自身を含む): 49106330

約数和(自身を除く): 29679686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 539629, 1079258, 1618887, 2158516, 3237774, 4856661, 6475548, 9713322, 19426644]

約数ペア:

[(1, 19426644), (2, 9713322), (3, 6475548), (4, 4856661), (6, 3237774), (9, 2158516), (12, 1618887), (18, 1079258), (36, 539629)]