18655218

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4373}}^1$

素因数の和:4463

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 23335182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4373, 8746, 13119, 26238, 39357, 78714, 118071, 236142, 345467, 690934, 1036401, 2072802, 3109203, 6218406, 9327609, 18655218]

約数ペア:

[(1, 18655218), (2, 9327609), (3, 6218406), (6, 3109203), (9, 2072802), (18, 1036401), (27, 690934), (54, 345467), (79, 236142), (158, 118071), (237, 78714), (474, 39357), (711, 26238), (1422, 13119), (2133, 8746), (4266, 4373)]