19002993

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 26019840

約数和(自身を除く): 7016847

約数列:

[1, 3, 47, 141, 307, 439, 921, 1317, 14429, 20633, 43287, 61899, 134773, 404319, 6334331, 19002993]

約数ペア:

[(1, 19002993), (3, 6334331), (47, 404319), (141, 134773), (307, 61899), (439, 43287), (921, 20633), (1317, 14429)]