19011321

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 34997760

約数和(自身を除く): 15986439

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 61, 63, 97, 119, 153, 183, 189, 291, 357, 427, 459, 549, 679, 873, 1037, 1071, 1281, 1647, 1649, 2037, 2619, 3111, 3213, 3843, 4947, 5917, 6111, 7259, 9333, 11529, 11543, 14841, 17751, 18333, 21777, 27999, 34629, 41419, 44523, 53253, 65331, 100589, 103887, 124257, 159759, 195993, 301767, 311661, 372771, 704123, 905301, 1118313, 2112369, 2715903, 6337107, 19011321]

約数ペア:

[(1, 19011321), (3, 6337107), (7, 2715903), (9, 2112369), (17, 1118313), (21, 905301), (27, 704123), (51, 372771), (61, 311661), (63, 301767), (97, 195993), (119, 159759), (153, 124257), (183, 103887), (189, 100589), (291, 65331), (357, 53253), (427, 44523), (459, 41419), (549, 34629), (679, 27999), (873, 21777), (1037, 18333), (1071, 17751), (1281, 14841), (1647, 11543), (1649, 11529), (2037, 9333), (2619, 7259), (3111, 6111), (3213, 5917), (3843, 4947)]