19794957

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13751283

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2339, 2821, 7017, 8463, 16373, 30407, 49119, 72509, 91221, 212849, 217527, 507563, 638547, 942617, 1522689, 2827851, 6598319, 19794957]

約数ペア:

[(1, 19794957), (3, 6598319), (7, 2827851), (13, 1522689), (21, 942617), (31, 638547), (39, 507563), (91, 217527), (93, 212849), (217, 91221), (273, 72509), (403, 49119), (651, 30407), (1209, 16373), (2339, 8463), (2821, 7017)]