18572943

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1046

約数の個数: 16

約数和(自身を含む): 25482240

約数和(自身を除く): 6909297

約数列:

[1, 3, 47, 141, 157, 471, 839, 2517, 7379, 22137, 39433, 118299, 131723, 395169, 6190981, 18572943]

約数ペア:

[(1, 18572943), (3, 6190981), (47, 395169), (141, 131723), (157, 118299), (471, 39433), (839, 22137), (2517, 7379)]