19482021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 30733976

約数和(自身を除く): 11251955

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2281, 2847, 6843, 8541, 20529, 29653, 88959, 166513, 266877, 499539, 1498617, 2164669, 6494007, 19482021]

約数ペア:

[(1, 19482021), (3, 6494007), (9, 2164669), (13, 1498617), (39, 499539), (73, 266877), (117, 166513), (219, 88959), (657, 29653), (949, 20529), (2281, 8541), (2847, 6843)]