19248159

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2539}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 30967680

約数和(自身を除く): 11719521

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 2539, 7581, 7617, 17773, 48241, 53319, 144723, 337687, 916579, 1013061, 2749737, 6416053, 19248159]

約数ペア:

[(1, 19248159), (3, 6416053), (7, 2749737), (19, 1013061), (21, 916579), (57, 337687), (133, 144723), (361, 53319), (399, 48241), (1083, 17773), (2527, 7617), (2539, 7581)]