19128993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6719}}^1$

素因数の和:6808

約数の個数: 16

約数和(自身を含む): 27847680

約数和(自身を除く): 8718687

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6719, 20157, 87347, 262041, 490487, 1471461, 6376331, 19128993]

約数ペア:

[(1, 19128993), (3, 6376331), (13, 1471461), (39, 490487), (73, 262041), (219, 87347), (949, 20157), (2847, 6719)]