19991762

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4466

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 18214318

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4421, 4522, 8842, 30947, 61894, 75157, 83999, 150314, 167998, 526099, 587993, 1052198, 1175986, 1427983, 2855966, 9995881, 19991762]

約数ペア:

[(1, 19991762), (2, 9995881), (7, 2855966), (14, 1427983), (17, 1175986), (19, 1052198), (34, 587993), (38, 526099), (119, 167998), (133, 150314), (238, 83999), (266, 75157), (323, 61894), (646, 30947), (2261, 8842), (4421, 4522)]