19139211

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23369}}^1$

素因数の和:23395

約数の個数: 24

約数和(自身を含む): 34026720

約数和(自身を除く): 14887509

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 23369, 70107, 163583, 210321, 303797, 490749, 911391, 1472247, 2126579, 2734173, 6379737, 19139211]

約数ペア:

[(1, 19139211), (3, 6379737), (7, 2734173), (9, 2126579), (13, 1472247), (21, 911391), (39, 490749), (63, 303797), (91, 210321), (117, 163583), (273, 70107), (819, 23369)]