18900470

素因数分解:

$2^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3881}}^1$

素因数の和:4375

約数の個数: 16

約数和(自身を含む): 34099488

約数和(自身を除く): 15199018

約数列:

[1, 2, 5, 10, 487, 974, 2435, 3881, 4870, 7762, 19405, 38810, 1890047, 3780094, 9450235, 18900470]

約数ペア:

[(1, 18900470), (2, 9450235), (5, 3780094), (10, 1890047), (487, 38810), (974, 19405), (2435, 7762), (3881, 4870)]