18274995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17657}}^1$

素因数の和:17691

約数の個数: 24

約数和(自身を含む): 33055776

約数和(自身を除く): 14780781

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 17657, 52971, 88285, 158913, 264855, 406111, 794565, 1218333, 2030555, 3654999, 6091665, 18274995]

約数ペア:

[(1, 18274995), (3, 6091665), (5, 3654999), (9, 2030555), (15, 1218333), (23, 794565), (45, 406111), (69, 264855), (115, 158913), (207, 88285), (345, 52971), (1035, 17657)]