19691630

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5741}}^1$

素因数の和:5769

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 21650770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5741, 11482, 28705, 40187, 57410, 80374, 200935, 281309, 401870, 562618, 1406545, 1969163, 2813090, 3938326, 9845815, 19691630]

約数ペア:

[(1, 19691630), (2, 9845815), (5, 3938326), (7, 2813090), (10, 1969163), (14, 1406545), (35, 562618), (49, 401870), (70, 281309), (98, 200935), (245, 80374), (343, 57410), (490, 40187), (686, 28705), (1715, 11482), (3430, 5741)]