19397120

素因数分解:

$2^9\times 5^1\times {\mathrm{7577}}^1$

素因数の和:7600

約数の個数: 40

約数和(自身を含む): 46513764

約数和(自身を除く): 27116644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7577, 15154, 30308, 37885, 60616, 75770, 121232, 151540, 242464, 303080, 484928, 606160, 969856, 1212320, 1939712, 2424640, 3879424, 4849280, 9698560, 19397120]

約数ペア:

[(1, 19397120), (2, 9698560), (4, 4849280), (5, 3879424), (8, 2424640), (10, 1939712), (16, 1212320), (20, 969856), (32, 606160), (40, 484928), (64, 303080), (80, 242464), (128, 151540), (160, 121232), (256, 75770), (320, 60616), (512, 37885), (640, 30308), (1280, 15154), (2560, 7577)]