19398753

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10313}}^1$

素因数の和:10349

約数の個数: 24

約数和(自身を含む): 32179680

約数和(自身を除く): 12780927

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10313, 30939, 92817, 113443, 195947, 340329, 587841, 1020987, 1763523, 2155417, 6466251, 19398753]

約数ペア:

[(1, 19398753), (3, 6466251), (9, 2155417), (11, 1763523), (19, 1020987), (33, 587841), (57, 340329), (99, 195947), (171, 113443), (209, 92817), (627, 30939), (1881, 10313)]