18999206

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1277}}^1$

素因数の和:1495

約数の個数: 16

約数和(自身を含む): 29353104

約数和(自身を除く): 10353898

約数列:

[1, 2, 43, 86, 173, 346, 1277, 2554, 7439, 14878, 54911, 109822, 220921, 441842, 9499603, 18999206]

約数ペア:

[(1, 18999206), (2, 9499603), (43, 441842), (86, 220921), (173, 109822), (346, 54911), (1277, 14878), (2554, 7439)]