18000276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 48209280

約数和(自身を除く): 30209004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 421, 509, 842, 1018, 1263, 1527, 1684, 2036, 2526, 2947, 3054, 3563, 5052, 5894, 6108, 7126, 8841, 10689, 11788, 14252, 17682, 21378, 35364, 42756, 214289, 428578, 642867, 857156, 1285734, 1500023, 2571468, 3000046, 4500069, 6000092, 9000138, 18000276]

約数ペア:

[(1, 18000276), (2, 9000138), (3, 6000092), (4, 4500069), (6, 3000046), (7, 2571468), (12, 1500023), (14, 1285734), (21, 857156), (28, 642867), (42, 428578), (84, 214289), (421, 42756), (509, 35364), (842, 21378), (1018, 17682), (1263, 14252), (1527, 11788), (1684, 10689), (2036, 8841), (2526, 7126), (2947, 6108), (3054, 5894), (3563, 5052)]