18091455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12874305

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 1279, 2829, 3837, 4715, 6395, 14145, 19185, 29417, 52439, 88251, 147085, 157317, 262195, 441255, 786585, 1206097, 3618291, 6030485, 18091455]

約数ペア:

[(1, 18091455), (3, 6030485), (5, 3618291), (15, 1206097), (23, 786585), (41, 441255), (69, 262195), (115, 157317), (123, 147085), (205, 88251), (345, 52439), (615, 29417), (943, 19185), (1279, 14145), (2829, 6395), (3837, 4715)]