17990042

素因数分解:

$2^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4639}}^1$

素因数の和:4925

約数の個数: 16

約数和(自身を含む): 30958080

約数和(自身を除く): 12968038

約数列:

[1, 2, 7, 14, 277, 554, 1939, 3878, 4639, 9278, 32473, 64946, 1285003, 2570006, 8995021, 17990042]

約数ペア:

[(1, 17990042), (2, 8995021), (7, 2570006), (14, 1285003), (277, 64946), (554, 32473), (1939, 9278), (3878, 4639)]