18310941

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{20551}}^1$

素因数の和:20574

約数の個数: 20

約数和(自身を含む): 29841504

約数和(自身を除く): 11530563

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 20551, 61653, 184959, 226061, 554877, 678183, 1664631, 2034549, 6103647, 18310941]

約数ペア:

[(1, 18310941), (3, 6103647), (9, 2034549), (11, 1664631), (27, 678183), (33, 554877), (81, 226061), (99, 184959), (297, 61653), (891, 20551)]