18005470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257221}}^1$

素因数の和:257235

約数の個数: 16

約数和(自身を含む): 37039968

約数和(自身を除く): 19034498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257221, 514442, 1286105, 1800547, 2572210, 3601094, 9002735, 18005470]

約数ペア:

[(1, 18005470), (2, 9002735), (5, 3601094), (7, 2572210), (10, 1800547), (14, 1286105), (35, 514442), (70, 257221)]