19397119

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 6453761

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 373, 391, 437, 2261, 2611, 2737, 3059, 6341, 7087, 7429, 8579, 44387, 49609, 52003, 60053, 120479, 145843, 163001, 843353, 1020901, 1141007, 2771017, 19397119]

約数ペア:

[(1, 19397119), (7, 2771017), (17, 1141007), (19, 1020901), (23, 843353), (119, 163001), (133, 145843), (161, 120479), (323, 60053), (373, 52003), (391, 49609), (437, 44387), (2261, 8579), (2611, 7429), (2737, 7087), (3059, 6341)]