19272141

素因数分解:

$3^3\times 7^3\times {\mathrm{2081}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 33312000

約数和(自身を除く): 14039859

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 2081, 3087, 6243, 9261, 14567, 18729, 43701, 56187, 101969, 131103, 305907, 393309, 713783, 917721, 2141349, 2753163, 6424047, 19272141]

約数ペア:

[(1, 19272141), (3, 6424047), (7, 2753163), (9, 2141349), (21, 917721), (27, 713783), (49, 393309), (63, 305907), (147, 131103), (189, 101969), (343, 56187), (441, 43701), (1029, 18729), (1323, 14567), (2081, 9261), (3087, 6243)]