19354951

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 24829200

約数和(自身を除く): 5474249

約数列:

[1, 7, 11, 49, 77, 149, 241, 539, 1043, 1639, 1687, 2651, 7301, 11473, 11809, 18557, 35909, 80311, 129899, 251363, 394999, 1759541, 2764993, 19354951]

約数ペア:

[(1, 19354951), (7, 2764993), (11, 1759541), (49, 394999), (77, 251363), (149, 129899), (241, 80311), (539, 35909), (1043, 18557), (1639, 11809), (1687, 11473), (2651, 7301)]