18720195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{96001}}^1$

素因数の和:96022

約数の個数: 16

約数和(自身を含む): 32256672

約数和(自身を除く): 13536477

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 96001, 288003, 480005, 1248013, 1440015, 3744039, 6240065, 18720195]

約数ペア:

[(1, 18720195), (3, 6240065), (5, 3744039), (13, 1440015), (15, 1248013), (39, 480005), (65, 288003), (195, 96001)]