18020115

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9767}}^1$

素因数の和:9819

約数の個数: 24

約数和(自身を含む): 31999968

約数和(自身を除く): 13979853

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 9767, 29301, 48835, 87903, 146505, 400447, 439515, 1201341, 2002235, 3604023, 6006705, 18020115]

約数ペア:

[(1, 18020115), (3, 6006705), (5, 3604023), (9, 2002235), (15, 1201341), (41, 439515), (45, 400447), (123, 146505), (205, 87903), (369, 48835), (615, 29301), (1845, 9767)]