19875526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 33970176

約数和(自身を除く): 14094650

約数列:

[1, 2, 11, 22, 31, 62, 151, 193, 302, 341, 386, 682, 1661, 2123, 3322, 4246, 4681, 5983, 9362, 11966, 29143, 51491, 58286, 65813, 102982, 131626, 320573, 641146, 903433, 1806866, 9937763, 19875526]

約数ペア:

[(1, 19875526), (2, 9937763), (11, 1806866), (22, 903433), (31, 641146), (62, 320573), (151, 131626), (193, 102982), (302, 65813), (341, 58286), (386, 51491), (682, 29143), (1661, 11966), (2123, 9362), (3322, 5983), (4246, 4681)]