18769149

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1973}}^1$

素因数の和:2137

約数の個数: 24

約数和(自身を含む): 31204992

約数和(自身を除く): 12435843

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1973, 3171, 5919, 9513, 13811, 17757, 41433, 124299, 297923, 893769, 2085461, 2681307, 6256383, 18769149]

約数ペア:

[(1, 18769149), (3, 6256383), (7, 2681307), (9, 2085461), (21, 893769), (63, 297923), (151, 124299), (453, 41433), (1057, 17757), (1359, 13811), (1973, 9513), (3171, 5919)]