20189917210

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{941}}^1\times {\mathrm{11117}}^1$

素因数の和:12258

約数の個数: 32

約数和(自身を含む): 36572260752

約数和(自身を除く): 16382343542

約数列:

[1, 2, 5, 10, 193, 386, 941, 965, 1882, 1930, 4705, 9410, 11117, 22234, 55585, 111170, 181613, 363226, 908065, 1816130, 2145581, 4291162, 10461097, 10727905, 20922194, 21455810, 52305485, 104610970, 2018991721, 4037983442, 10094958605, 20189917210]

約数ペア:

[(1, 20189917210), (2, 10094958605), (5, 4037983442), (10, 2018991721), (193, 104610970), (386, 52305485), (941, 21455810), (965, 20922194), (1882, 10727905), (1930, 10461097), (4705, 4291162), (9410, 2145581), (11117, 1816130), (22234, 908065), (55585, 363226), (111170, 181613)]