19512291

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 26673408

約数和(自身を除く): 7161117

約数列:

[1, 3, 71, 101, 213, 303, 907, 2721, 7171, 21513, 64397, 91607, 193191, 274821, 6504097, 19512291]

約数ペア:

[(1, 19512291), (3, 6504097), (71, 274821), (101, 193191), (213, 91607), (303, 64397), (907, 21513), (2721, 7171)]