18700617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25237}}^1$

素因数の和:25272

約数の個数: 16

約数和(自身を含む): 28266560

約数和(自身を除く): 9565943

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 25237, 75711, 328081, 479503, 984243, 1438509, 6233539, 18700617]

約数ペア:

[(1, 18700617), (3, 6233539), (13, 1438509), (19, 984243), (39, 479503), (57, 328081), (247, 75711), (741, 25237)]