18507440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33049}}^1$

素因数の和:33069

約数の個数: 40

約数和(自身を含む): 49178400

約数和(自身を除く): 30670960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33049, 66098, 132196, 165245, 231343, 264392, 330490, 462686, 528784, 660980, 925372, 1156715, 1321960, 1850744, 2313430, 2643920, 3701488, 4626860, 9253720, 18507440]

約数ペア:

[(1, 18507440), (2, 9253720), (4, 4626860), (5, 3701488), (7, 2643920), (8, 2313430), (10, 1850744), (14, 1321960), (16, 1156715), (20, 925372), (28, 660980), (35, 528784), (40, 462686), (56, 330490), (70, 264392), (80, 231343), (112, 165245), (140, 132196), (280, 66098), (560, 33049)]