19990026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2763

約数の個数: 48

約数和(自身を含む): 50356800

約数和(自身を除く): 30366774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 59, 63, 118, 126, 177, 354, 413, 531, 826, 1062, 1239, 2478, 2689, 3717, 5378, 7434, 8067, 16134, 18823, 24201, 37646, 48402, 56469, 112938, 158651, 169407, 317302, 338814, 475953, 951906, 1110557, 1427859, 2221114, 2855718, 3331671, 6663342, 9995013, 19990026]

約数ペア:

[(1, 19990026), (2, 9995013), (3, 6663342), (6, 3331671), (7, 2855718), (9, 2221114), (14, 1427859), (18, 1110557), (21, 951906), (42, 475953), (59, 338814), (63, 317302), (118, 169407), (126, 158651), (177, 112938), (354, 56469), (413, 48402), (531, 37646), (826, 24201), (1062, 18823), (1239, 16134), (2478, 8067), (2689, 7434), (3717, 5378)]