19488563521

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1\times {\mathrm{72421}}^1$

素因数の和:73504

約数の個数: 16

約数和(自身を含む): 22896939520

約数和(自身を除く): 3408375999

約数列:

[1, 7, 37, 259, 1039, 7273, 38443, 72421, 269101, 506947, 2679577, 18757039, 75245419, 526717933, 2784080503, 19488563521]

約数ペア:

[(1, 19488563521), (7, 2784080503), (37, 526717933), (259, 75245419), (1039, 18757039), (7273, 2679577), (38443, 506947), (72421, 269101)]