18944019

素因数分解:

$3^2\times {\mathrm{23}}^3\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 28772640

約数和(自身を除く): 9828621

約数列:

[1, 3, 9, 23, 69, 173, 207, 519, 529, 1557, 1587, 3979, 4761, 11937, 12167, 35811, 36501, 91517, 109503, 274551, 823653, 2104891, 6314673, 18944019]

約数ペア:

[(1, 18944019), (3, 6314673), (9, 2104891), (23, 823653), (69, 274551), (173, 109503), (207, 91517), (519, 36501), (529, 35811), (1557, 12167), (1587, 11937), (3979, 4761)]