18863383

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 24295680

約数和(自身を除く): 5432297

約数列:

[1, 7, 11, 49, 77, 79, 443, 539, 553, 869, 3101, 3871, 4873, 6083, 21707, 34111, 34997, 42581, 238777, 244979, 384967, 1714853, 2694769, 18863383]

約数ペア:

[(1, 18863383), (7, 2694769), (11, 1714853), (49, 384967), (77, 244979), (79, 238777), (443, 42581), (539, 34997), (553, 34111), (869, 21707), (3101, 6083), (3871, 4873)]