19324960

素因数分解:

$2^5\times 5^1\times {\mathrm{269}}^1\times {\mathrm{449}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 45927000

約数和(自身を除く): 26602040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 449, 538, 898, 1076, 1345, 1796, 2152, 2245, 2690, 3592, 4304, 4490, 5380, 7184, 8608, 8980, 10760, 14368, 17960, 21520, 35920, 43040, 71840, 120781, 241562, 483124, 603905, 966248, 1207810, 1932496, 2415620, 3864992, 4831240, 9662480, 19324960]

約数ペア:

[(1, 19324960), (2, 9662480), (4, 4831240), (5, 3864992), (8, 2415620), (10, 1932496), (16, 1207810), (20, 966248), (32, 603905), (40, 483124), (80, 241562), (160, 120781), (269, 71840), (449, 43040), (538, 35920), (898, 21520), (1076, 17960), (1345, 14368), (1796, 10760), (2152, 8980), (2245, 8608), (2690, 7184), (3592, 5380), (4304, 4490)]