19819480

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1061}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 44731440

約数和(自身を除く): 24911960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1061, 1868, 2122, 2335, 3736, 4244, 4670, 5305, 8488, 9340, 10610, 18680, 21220, 42440, 495487, 990974, 1981948, 2477435, 3963896, 4954870, 9909740, 19819480]

約数ペア:

[(1, 19819480), (2, 9909740), (4, 4954870), (5, 3963896), (8, 2477435), (10, 1981948), (20, 990974), (40, 495487), (467, 42440), (934, 21220), (1061, 18680), (1868, 10610), (2122, 9340), (2335, 8488), (3736, 5305), (4244, 4670)]