19222015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 6490625

約数列:

[1, 5, 19, 31, 61, 95, 107, 155, 305, 535, 589, 1159, 1891, 2033, 2945, 3317, 5795, 6527, 9455, 10165, 16585, 32635, 35929, 63023, 124013, 179645, 202337, 315115, 620065, 1011685, 3844403, 19222015]

約数ペア:

[(1, 19222015), (5, 3844403), (19, 1011685), (31, 620065), (61, 315115), (95, 202337), (107, 179645), (155, 124013), (305, 63023), (535, 35929), (589, 32635), (1159, 16585), (1891, 10165), (2033, 9455), (2945, 6527), (3317, 5795)]