18974451

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 26144000

約数和(自身を除く): 7169549

約数列:

[1, 3, 37, 111, 199, 597, 859, 2577, 7363, 22089, 31783, 95349, 170941, 512823, 6324817, 18974451]

約数ペア:

[(1, 18974451), (3, 6324817), (37, 512823), (111, 170941), (199, 95349), (597, 31783), (859, 22089), (2577, 7363)]