19439511

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 32944128

約数和(自身を除く): 13504617

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2297, 2821, 6891, 8463, 16079, 29861, 48237, 71207, 89583, 209027, 213621, 498449, 627081, 925691, 1495347, 2777073, 6479837, 19439511]

約数ペア:

[(1, 19439511), (3, 6479837), (7, 2777073), (13, 1495347), (21, 925691), (31, 627081), (39, 498449), (91, 213621), (93, 209027), (217, 89583), (273, 71207), (403, 48237), (651, 29861), (1209, 16079), (2297, 8463), (2821, 6891)]