19862415

素因数分解:

$3^4\times 5^1\times {\mathrm{49043}}^1$

素因数の和:49060

約数の個数: 20

約数和(自身を含む): 35605944

約数和(自身を除く): 15743529

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49043, 147129, 245215, 441387, 735645, 1324161, 2206935, 3972483, 6620805, 19862415]

約数ペア:

[(1, 19862415), (3, 6620805), (5, 3972483), (9, 2206935), (15, 1324161), (27, 735645), (45, 441387), (81, 245215), (135, 147129), (405, 49043)]