18920818

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1607}}^1$

素因数の和:1674

約数の個数: 24

約数和(自身を含む): 33613632

約数和(自身を除く): 14692814

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 841, 1607, 1682, 3214, 5887, 11249, 11774, 22498, 46603, 93206, 326221, 652442, 1351487, 2702974, 9460409, 18920818]

約数ペア:

[(1, 18920818), (2, 9460409), (7, 2702974), (14, 1351487), (29, 652442), (58, 326221), (203, 93206), (406, 46603), (841, 22498), (1607, 11774), (1682, 11249), (3214, 5887)]