19991711519

素因数分解:

${\mathrm{13}}^2\times {\mathrm{1009}}^1\times {\mathrm{117239}}^1$

素因数の和:118274

約数の個数: 12

約数和(自身を含む): 21669469200

約数和(自身を除く): 1677757681

約数列:

[1, 13, 169, 1009, 13117, 117239, 170521, 1524107, 19813391, 118294151, 1537823963, 19991711519]

約数ペア:

[(1, 19991711519), (13, 1537823963), (169, 118294151), (1009, 19813391), (13117, 1524107), (117239, 170521)]