19958211

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8123}}^1$

素因数の和:8152

約数の個数: 32

約数和(自身を含む): 36395520

約数和(自身を除く): 16437309

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8123, 24369, 56861, 73107, 105599, 170583, 219321, 316797, 511749, 739193, 950391, 1535247, 2217579, 2851173, 6652737, 19958211]

約数ペア:

[(1, 19958211), (3, 6652737), (7, 2851173), (9, 2217579), (13, 1535247), (21, 950391), (27, 739193), (39, 511749), (63, 316797), (91, 219321), (117, 170583), (189, 105599), (273, 73107), (351, 56861), (819, 24369), (2457, 8123)]