18873780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10847}}^1$

素因数の和:10888

約数の個数: 48

約数和(自身を含む): 54673920

約数和(自身を除く): 35800140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 10847, 21694, 32541, 43388, 54235, 65082, 108470, 130164, 162705, 216940, 314563, 325410, 629126, 650820, 943689, 1258252, 1572815, 1887378, 3145630, 3774756, 4718445, 6291260, 9436890, 18873780]

約数ペア:

[(1, 18873780), (2, 9436890), (3, 6291260), (4, 4718445), (5, 3774756), (6, 3145630), (10, 1887378), (12, 1572815), (15, 1258252), (20, 943689), (29, 650820), (30, 629126), (58, 325410), (60, 314563), (87, 216940), (116, 162705), (145, 130164), (174, 108470), (290, 65082), (348, 54235), (435, 43388), (580, 32541), (870, 21694), (1740, 10847)]