19994265

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10837}}^1$

素因数の和:10889

約数の個数: 24

約数和(自身を含む): 35505288

約数和(自身を除く): 15511023

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 10837, 32511, 54185, 97533, 162555, 444317, 487665, 1332951, 2221585, 3998853, 6664755, 19994265]

約数ペア:

[(1, 19994265), (3, 6664755), (5, 3998853), (9, 2221585), (15, 1332951), (41, 487665), (45, 444317), (123, 162555), (205, 97533), (369, 54185), (615, 32511), (1845, 10837)]