201920019

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{310169}}^1$

素因数の和:310210

約数の個数: 16

約数和(自身を含む): 317614080

約数和(自身を除く): 115694061

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 310169, 930507, 2171183, 6513549, 9615239, 28845717, 67306673, 201920019]

約数ペア:

[(1, 201920019), (3, 67306673), (7, 28845717), (21, 9615239), (31, 6513549), (93, 2171183), (217, 930507), (651, 310169)]