18791681

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 21047040

約数和(自身を除く): 2255359

約数列:

[1, 17, 29, 47, 493, 799, 811, 1363, 13787, 23171, 23519, 38117, 399823, 647989, 1105393, 18791681]

約数ペア:

[(1, 18791681), (17, 1105393), (29, 647989), (47, 399823), (493, 38117), (799, 23519), (811, 23171), (1363, 13787)]