19295415

素因数分解:

$3^5\times 5^1\times {\mathrm{15881}}^1$

素因数の和:15901

約数の個数: 24

約数和(自身を含む): 34686288

約数和(自身を除く): 15390873

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 15881, 47643, 79405, 142929, 238215, 428787, 714645, 1286361, 2143935, 3859083, 6431805, 19295415]

約数ペア:

[(1, 19295415), (3, 6431805), (5, 3859083), (9, 2143935), (15, 1286361), (27, 714645), (45, 428787), (81, 238215), (135, 142929), (243, 79405), (405, 47643), (1215, 15881)]