18781983

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{5749}}^1$

素因数の和:5780

約数の個数: 24

約数和(自身を含む): 30590000

約数和(自身を除く): 11808017

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 5749, 17247, 51741, 63239, 155223, 189717, 569151, 695629, 1707453, 2086887, 6260661, 18781983]

約数ペア:

[(1, 18781983), (3, 6260661), (9, 2086887), (11, 1707453), (27, 695629), (33, 569151), (99, 189717), (121, 155223), (297, 63239), (363, 51741), (1089, 17247), (3267, 5749)]