19743807

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4517}}^1$

素因数の和:4598

約数の個数: 16

約数和(自身を含む): 27758592

約数和(自身を除く): 8014785

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4517, 13551, 140027, 212299, 420081, 636897, 6581269, 19743807]

約数ペア:

[(1, 19743807), (3, 6581269), (31, 636897), (47, 420081), (93, 212299), (141, 140027), (1457, 13551), (4371, 4517)]