19634769

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 36616320

約数和(自身を除く): 16981551

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 609, 693, 957, 977, 1827, 2233, 2871, 2931, 6699, 6839, 8793, 10747, 20097, 20517, 28333, 32241, 61551, 75229, 84999, 96723, 198331, 225687, 254997, 311663, 594993, 677061, 934989, 1784979, 2181641, 2804967, 6544923, 19634769]

約数ペア:

[(1, 19634769), (3, 6544923), (7, 2804967), (9, 2181641), (11, 1784979), (21, 934989), (29, 677061), (33, 594993), (63, 311663), (77, 254997), (87, 225687), (99, 198331), (203, 96723), (231, 84999), (261, 75229), (319, 61551), (609, 32241), (693, 28333), (957, 20517), (977, 20097), (1827, 10747), (2233, 8793), (2871, 6839), (2931, 6699)]