18898713

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 29133000

約数和(自身を除く): 10234287

約数列:

[1, 3, 9, 17, 51, 149, 153, 447, 829, 1341, 2487, 2533, 7461, 7599, 14093, 22797, 42279, 123521, 126837, 370563, 1111689, 2099857, 6299571, 18898713]

約数ペア:

[(1, 18898713), (3, 6299571), (9, 2099857), (17, 1111689), (51, 370563), (149, 126837), (153, 123521), (447, 42279), (829, 22797), (1341, 14093), (2487, 7599), (2533, 7461)]