19064318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 36701280

約数和(自身を除く): 17636962

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 109, 182, 217, 218, 403, 434, 763, 806, 961, 1417, 1526, 1922, 2821, 2834, 3379, 5642, 6727, 6758, 9919, 12493, 13454, 19838, 23653, 24986, 43927, 47306, 87451, 87854, 104749, 174902, 209498, 307489, 614978, 733243, 1361737, 1466486, 2723474, 9532159, 19064318]

約数ペア:

[(1, 19064318), (2, 9532159), (7, 2723474), (13, 1466486), (14, 1361737), (26, 733243), (31, 614978), (62, 307489), (91, 209498), (109, 174902), (182, 104749), (217, 87854), (218, 87451), (403, 47306), (434, 43927), (763, 24986), (806, 23653), (961, 19838), (1417, 13454), (1526, 12493), (1922, 9919), (2821, 6758), (2834, 6727), (3379, 5642)]