19801054

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8369}}^1$

素因数の和:8404

約数の個数: 24

約数和(自身を含む): 36761040

約数和(自身を除く): 16959986

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8369, 16738, 58583, 108797, 117166, 217594, 761579, 1414361, 1523158, 2828722, 9900527, 19801054]

約数ペア:

[(1, 19801054), (2, 9900527), (7, 2828722), (13, 1523158), (14, 1414361), (26, 761579), (91, 217594), (169, 117166), (182, 108797), (338, 58583), (1183, 16738), (2366, 8369)]