19830470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4456

約数の個数: 32

約数和(自身を含む): 39898656

約数和(自身を除く): 20068186

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4397, 4510, 8794, 21985, 43970, 48367, 96734, 180277, 241835, 360554, 483670, 901385, 1802770, 1983047, 3966094, 9915235, 19830470]

約数ペア:

[(1, 19830470), (2, 9915235), (5, 3966094), (10, 1983047), (11, 1802770), (22, 901385), (41, 483670), (55, 360554), (82, 241835), (110, 180277), (205, 96734), (410, 48367), (451, 43970), (902, 21985), (2255, 8794), (4397, 4510)]