19850685

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 33357312

約数和(自身を除く): 13506627

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 761, 1739, 2283, 3805, 5217, 8695, 11415, 26085, 28157, 35767, 84471, 107301, 140785, 178835, 422355, 536505, 1323379, 3970137, 6616895, 19850685]

約数ペア:

[(1, 19850685), (3, 6616895), (5, 3970137), (15, 1323379), (37, 536505), (47, 422355), (111, 178835), (141, 140785), (185, 107301), (235, 84471), (555, 35767), (705, 28157), (761, 26085), (1739, 11415), (2283, 8695), (3805, 5217)]