19995143841

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{24379}}^1$

素因数の和:25246

約数の個数: 32

約数和(自身を含む): 30461347200

約数和(自身を除く): 10466203359

約数列:

[1, 3, 9, 27, 37, 111, 333, 821, 999, 2463, 7389, 22167, 24379, 30377, 73137, 91131, 219411, 273393, 658233, 820179, 902023, 2706069, 8118207, 20015159, 24354621, 60045477, 180136431, 540409293, 740560883, 2221682649, 6665047947, 19995143841]

約数ペア:

[(1, 19995143841), (3, 6665047947), (9, 2221682649), (27, 740560883), (37, 540409293), (111, 180136431), (333, 60045477), (821, 24354621), (999, 20015159), (2463, 8118207), (7389, 2706069), (22167, 902023), (24379, 820179), (30377, 658233), (73137, 273393), (91131, 219411)]