19702035

素因数分解:

$3^4\times 5^1\times {\mathrm{48647}}^1$

素因数の和:48664

約数の個数: 20

約数和(自身を含む): 35318448

約数和(自身を除く): 15616413

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48647, 145941, 243235, 437823, 729705, 1313469, 2189115, 3940407, 6567345, 19702035]

約数ペア:

[(1, 19702035), (3, 6567345), (5, 3940407), (9, 2189115), (15, 1313469), (27, 729705), (45, 437823), (81, 243235), (135, 145941), (405, 48647)]