18147687

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26790912

約数和(自身を除く): 8643225

約数列:

[1, 3, 17, 47, 51, 67, 113, 141, 201, 339, 799, 1139, 1921, 2397, 3149, 3417, 5311, 5763, 7571, 9447, 15933, 22713, 53533, 90287, 128707, 160599, 270861, 355837, 386121, 1067511, 6049229, 18147687]

約数ペア:

[(1, 18147687), (3, 6049229), (17, 1067511), (47, 386121), (51, 355837), (67, 270861), (113, 160599), (141, 128707), (201, 90287), (339, 53533), (799, 22713), (1139, 15933), (1921, 9447), (2397, 7571), (3149, 5763), (3417, 5311)]