18944415

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20068

約数の個数: 32

約数和(自身を含む): 38492160

約数和(自身を除く): 19547745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 20047, 60141, 100235, 140329, 180423, 300705, 420987, 541269, 701645, 902115, 1262961, 2104935, 2706345, 3788883, 6314805, 18944415]

約数ペア:

[(1, 18944415), (3, 6314805), (5, 3788883), (7, 2706345), (9, 2104935), (15, 1262961), (21, 902115), (27, 701645), (35, 541269), (45, 420987), (63, 300705), (105, 180423), (135, 140329), (189, 100235), (315, 60141), (945, 20047)]