19989333

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24407}}^1$

素因数の和:24433

約数の個数: 24

約数和(自身を含む): 35538048

約数和(自身を除く): 15548715

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24407, 73221, 170849, 219663, 317291, 512547, 951873, 1537641, 2221037, 2855619, 6663111, 19989333]

約数ペア:

[(1, 19989333), (3, 6663111), (7, 2855619), (9, 2221037), (13, 1537641), (21, 951873), (39, 512547), (63, 317291), (91, 219663), (117, 170849), (273, 73221), (819, 24407)]