16019185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 10592015

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 109, 119, 133, 221, 247, 323, 455, 545, 595, 665, 763, 1105, 1235, 1417, 1547, 1615, 1729, 1853, 2071, 2261, 3815, 4199, 7085, 7735, 8645, 9265, 9919, 10355, 11305, 12971, 14497, 20995, 24089, 26923, 29393, 35207, 49595, 64855, 72485, 120445, 134615, 146965, 168623, 176035, 188461, 246449, 457691, 843115, 942305, 1232245, 2288455, 3203837, 16019185]

約数ペア:

[(1, 16019185), (5, 3203837), (7, 2288455), (13, 1232245), (17, 942305), (19, 843115), (35, 457691), (65, 246449), (85, 188461), (91, 176035), (95, 168623), (109, 146965), (119, 134615), (133, 120445), (221, 72485), (247, 64855), (323, 49595), (455, 35207), (545, 29393), (595, 26923), (665, 24089), (763, 20995), (1105, 14497), (1235, 12971), (1417, 11305), (1547, 10355), (1615, 9919), (1729, 9265), (1853, 8645), (2071, 7735), (2261, 7085), (3815, 4199)]