19301319

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 28654080

約数和(自身を除く): 9352761

約数列:

[1, 3, 9, 59, 163, 177, 223, 489, 531, 669, 1467, 2007, 9617, 13157, 28851, 36349, 39471, 86553, 109047, 118413, 327141, 2144591, 6433773, 19301319]

約数ペア:

[(1, 19301319), (3, 6433773), (9, 2144591), (59, 327141), (163, 118413), (177, 109047), (223, 86553), (489, 39471), (531, 36349), (669, 28851), (1467, 13157), (2007, 9617)]