19937169

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 34171956

約数和(自身を除く): 14234787

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 853, 1113, 2559, 2597, 3339, 5971, 7677, 7791, 17913, 23373, 41797, 45209, 53739, 125391, 135627, 316463, 376173, 406881, 949389, 2215241, 2848167, 6645723, 19937169]

約数ペア:

[(1, 19937169), (3, 6645723), (7, 2848167), (9, 2215241), (21, 949389), (49, 406881), (53, 376173), (63, 316463), (147, 135627), (159, 125391), (371, 53739), (441, 45209), (477, 41797), (853, 23373), (1113, 17913), (2559, 7791), (2597, 7677), (3339, 5971)]