19791728

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10223}}^1$

素因数の和:10253

約数の個数: 30

約数和(自身を含む): 42153552

約数和(自身を除く): 22361824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10223, 20446, 40892, 81784, 112453, 163568, 224906, 449812, 899624, 1236983, 1799248, 2473966, 4947932, 9895864, 19791728]

約数ペア:

[(1, 19791728), (2, 9895864), (4, 4947932), (8, 2473966), (11, 1799248), (16, 1236983), (22, 899624), (44, 449812), (88, 224906), (121, 163568), (176, 112453), (242, 81784), (484, 40892), (968, 20446), (1936, 10223)]