18022815

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2551}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 31450848

約数和(自身を除く): 13428033

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2551, 7065, 7653, 12755, 22959, 38265, 114795, 400507, 1201521, 2002535, 3604563, 6007605, 18022815]

約数ペア:

[(1, 18022815), (3, 6007605), (5, 3604563), (9, 2002535), (15, 1201521), (45, 400507), (157, 114795), (471, 38265), (785, 22959), (1413, 12755), (2355, 7653), (2551, 7065)]