19182988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10139}}^1$

素因数の和:10197

約数の個数: 24

約数和(自身を含む): 37477440

約数和(自身を除く): 18294452

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10139, 20278, 40556, 111529, 223058, 435977, 446116, 871954, 1743908, 4795747, 9591494, 19182988]

約数ペア:

[(1, 19182988), (2, 9591494), (4, 4795747), (11, 1743908), (22, 871954), (43, 446116), (44, 435977), (86, 223058), (172, 111529), (473, 40556), (946, 20278), (1892, 10139)]