19938933

素因数分解:

$3^3\times 7^3\times {\mathrm{2153}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 34464000

約数和(自身を除く): 14525067

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2153, 3087, 6459, 9261, 15071, 19377, 45213, 58131, 105497, 135639, 316491, 406917, 738479, 949473, 2215437, 2848419, 6646311, 19938933]

約数ペア:

[(1, 19938933), (3, 6646311), (7, 2848419), (9, 2215437), (21, 949473), (27, 738479), (49, 406917), (63, 316491), (147, 135639), (189, 105497), (343, 58131), (441, 45213), (1029, 19377), (1323, 15071), (2153, 9261), (3087, 6459)]