19842138

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{9931}}^1$

素因数の和:9979

約数の個数: 32

約数和(自身を含む): 45289920

約数和(自身を除く): 25447782

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 9931, 19862, 29793, 59586, 89379, 178758, 268137, 367447, 536274, 734894, 1102341, 2204682, 3307023, 6614046, 9921069, 19842138]

約数ペア:

[(1, 19842138), (2, 9921069), (3, 6614046), (6, 3307023), (9, 2204682), (18, 1102341), (27, 734894), (37, 536274), (54, 367447), (74, 268137), (111, 178758), (222, 89379), (333, 59586), (666, 29793), (999, 19862), (1998, 9931)]