18404673

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 29798400

約数和(自身を除く): 11393727

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 239, 399, 579, 717, 1351, 1673, 3667, 4053, 4541, 5019, 11001, 13623, 25669, 31787, 46127, 77007, 95361, 138381, 322889, 876413, 968667, 2629239, 6134891, 18404673]

約数ペア:

[(1, 18404673), (3, 6134891), (7, 2629239), (19, 968667), (21, 876413), (57, 322889), (133, 138381), (193, 95361), (239, 77007), (399, 46127), (579, 31787), (717, 25669), (1351, 13623), (1673, 11001), (3667, 5019), (4053, 4541)]