19933907

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2237}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 24349440

約数和(自身を除く): 4415533

約数列:

[1, 7, 19, 67, 133, 469, 1273, 2237, 8911, 15659, 42503, 149879, 297521, 1049153, 2847701, 19933907]

約数ペア:

[(1, 19933907), (7, 2847701), (19, 1049153), (67, 297521), (133, 149879), (469, 42503), (1273, 15659), (2237, 8911)]