18834725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 30498048

約数和(自身を除く): 11663323

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 487, 595, 1105, 1547, 2275, 2435, 2975, 3409, 5525, 6331, 7735, 8279, 12175, 17045, 31655, 38675, 41395, 44317, 57953, 85225, 107627, 158275, 206975, 221585, 289765, 538135, 753389, 1107925, 1448825, 2690675, 3766945, 18834725]

約数ペア:

[(1, 18834725), (5, 3766945), (7, 2690675), (13, 1448825), (17, 1107925), (25, 753389), (35, 538135), (65, 289765), (85, 221585), (91, 206975), (119, 158275), (175, 107627), (221, 85225), (325, 57953), (425, 44317), (455, 41395), (487, 38675), (595, 31655), (1105, 17045), (1547, 12175), (2275, 8279), (2435, 7735), (2975, 6331), (3409, 5525)]