18299763

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1439}}^1$

素因数の和:1608

約数の個数: 20

約数和(自身を含む): 27529920

約数和(自身を除く): 9230157

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1439, 4239, 4317, 12717, 12951, 38853, 116559, 225923, 677769, 2033307, 6099921, 18299763]

約数ペア:

[(1, 18299763), (3, 6099921), (9, 2033307), (27, 677769), (81, 225923), (157, 116559), (471, 38853), (1413, 12951), (1439, 12717), (4239, 4317)]