19493055

素因数分解:

$3^4\times 5^1\times {\mathrm{48131}}^1$

素因数の和:48148

約数の個数: 20

約数和(自身を含む): 34943832

約数和(自身を除く): 15450777

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48131, 144393, 240655, 433179, 721965, 1299537, 2165895, 3898611, 6497685, 19493055]

約数ペア:

[(1, 19493055), (3, 6497685), (5, 3898611), (9, 2165895), (15, 1299537), (27, 721965), (45, 433179), (81, 240655), (135, 144393), (405, 48131)]