19032273

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 31563840

約数和(自身を除く): 12531567

約数列:

[1, 3, 9, 13, 27, 39, 43, 97, 117, 129, 169, 291, 351, 387, 507, 559, 873, 1161, 1261, 1521, 1677, 2619, 3783, 4171, 4563, 5031, 7267, 11349, 12513, 15093, 16393, 21801, 34047, 37539, 49179, 54223, 65403, 112617, 147537, 162669, 196209, 442611, 488007, 704899, 1464021, 2114697, 6344091, 19032273]

約数ペア:

[(1, 19032273), (3, 6344091), (9, 2114697), (13, 1464021), (27, 704899), (39, 488007), (43, 442611), (97, 196209), (117, 162669), (129, 147537), (169, 112617), (291, 65403), (351, 54223), (387, 49179), (507, 37539), (559, 34047), (873, 21801), (1161, 16393), (1261, 15093), (1521, 12513), (1677, 11349), (2619, 7267), (3783, 5031), (4171, 4563)]