19449315

素因数分解:

$3^4\times 5^1\times {\mathrm{48023}}^1$

素因数の和:48040

約数の個数: 20

約数和(自身を含む): 34865424

約数和(自身を除く): 15416109

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48023, 144069, 240115, 432207, 720345, 1296621, 2161035, 3889863, 6483105, 19449315]

約数ペア:

[(1, 19449315), (3, 6483105), (5, 3889863), (9, 2161035), (15, 1296621), (27, 720345), (45, 432207), (81, 240115), (135, 144069), (405, 48023)]