18590265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 17352135

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1279, 1615, 2907, 3837, 4845, 6395, 11511, 14535, 19185, 21743, 24301, 57555, 65229, 72903, 108715, 121505, 195687, 218709, 326145, 364515, 413117, 978435, 1093545, 1239351, 2065585, 3718053, 6196755, 18590265]

約数ペア:

[(1, 18590265), (3, 6196755), (5, 3718053), (9, 2065585), (15, 1239351), (17, 1093545), (19, 978435), (45, 413117), (51, 364515), (57, 326145), (85, 218709), (95, 195687), (153, 121505), (171, 108715), (255, 72903), (285, 65229), (323, 57555), (765, 24301), (855, 21743), (969, 19185), (1279, 14535), (1615, 11511), (2907, 6395), (3837, 4845)]