17969890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1069}}^1$

素因数の和:1158

約数の個数: 24

約数和(自身を含む): 33184980

約数和(自身を除く): 15215090

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1069, 1681, 2138, 3362, 5345, 8405, 10690, 16810, 43829, 87658, 219145, 438290, 1796989, 3593978, 8984945, 17969890]

約数ペア:

[(1, 17969890), (2, 8984945), (5, 3593978), (10, 1796989), (41, 438290), (82, 219145), (205, 87658), (410, 43829), (1069, 16810), (1681, 10690), (2138, 8405), (3362, 5345)]