19918192

素因数分解:

$2^4\times 7^1\times {\mathrm{177841}}^1$

素因数の和:177856

約数の個数: 20

約数和(自身を含む): 44104816

約数和(自身を除く): 24186624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177841, 355682, 711364, 1244887, 1422728, 2489774, 2845456, 4979548, 9959096, 19918192]

約数ペア:

[(1, 19918192), (2, 9959096), (4, 4979548), (7, 2845456), (8, 2489774), (14, 1422728), (16, 1244887), (28, 711364), (56, 355682), (112, 177841)]