18408894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2689}}^1$

素因数の和:2864

約数の個数: 32

約数和(自身を含む): 42351360

約数和(自身を除く): 23942466

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 2689, 3423, 5378, 6846, 8067, 16134, 18823, 37646, 56469, 112938, 438307, 876614, 1314921, 2629842, 3068149, 6136298, 9204447, 18408894]

約数ペア:

[(1, 18408894), (2, 9204447), (3, 6136298), (6, 3068149), (7, 2629842), (14, 1314921), (21, 876614), (42, 438307), (163, 112938), (326, 56469), (489, 37646), (978, 18823), (1141, 16134), (2282, 8067), (2689, 6846), (3423, 5378)]