19286113

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 24811200

約数和(自身を除く): 5525087

約数列:

[1, 7, 11, 41, 77, 149, 287, 451, 1043, 1639, 1681, 3157, 6109, 11473, 11767, 18491, 42763, 67199, 129437, 250469, 470393, 1753283, 2755159, 19286113]

約数ペア:

[(1, 19286113), (7, 2755159), (11, 1753283), (41, 470393), (77, 250469), (149, 129437), (287, 67199), (451, 42763), (1043, 18491), (1639, 11767), (1681, 11473), (3157, 6109)]