19021905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20129}}^1$

素因数の和:20150

約数の個数: 32

約数和(自身を含む): 38649600

約数和(自身を除く): 19627695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20129, 60387, 100645, 140903, 181161, 301935, 422709, 543483, 704515, 905805, 1268127, 2113545, 2717415, 3804381, 6340635, 19021905]

約数ペア:

[(1, 19021905), (3, 6340635), (5, 3804381), (7, 2717415), (9, 2113545), (15, 1268127), (21, 905805), (27, 704515), (35, 543483), (45, 422709), (63, 301935), (105, 181161), (135, 140903), (189, 100645), (315, 60387), (945, 20129)]