19904577

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 33331200

約数和(自身を除く): 13426623

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 433, 597, 1299, 1393, 2189, 3031, 4179, 4763, 6567, 9093, 14289, 15323, 33341, 45969, 86167, 100023, 258501, 603169, 947837, 1809507, 2843511, 6634859, 19904577]

約数ペア:

[(1, 19904577), (3, 6634859), (7, 2843511), (11, 1809507), (21, 947837), (33, 603169), (77, 258501), (199, 100023), (231, 86167), (433, 45969), (597, 33341), (1299, 15323), (1393, 14289), (2189, 9093), (3031, 6567), (4179, 4763)]