19105541

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 24275160

約数和(自身を除く): 5169619

約数列:

[1, 7, 13, 49, 89, 91, 337, 623, 637, 1157, 2359, 4361, 4381, 8099, 16513, 29993, 30667, 56693, 209951, 214669, 389909, 1469657, 2729363, 19105541]

約数ペア:

[(1, 19105541), (7, 2729363), (13, 1469657), (49, 389909), (89, 214669), (91, 209951), (337, 56693), (623, 30667), (637, 29993), (1157, 16513), (2359, 8099), (4361, 4381)]