18630909

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{613}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 29501472

約数和(自身を除く): 10870563

約数列:

[1, 3, 9, 11, 33, 99, 307, 613, 921, 1839, 2763, 3377, 5517, 6743, 10131, 20229, 30393, 60687, 188191, 564573, 1693719, 2070101, 6210303, 18630909]

約数ペア:

[(1, 18630909), (3, 6210303), (9, 2070101), (11, 1693719), (33, 564573), (99, 188191), (307, 60687), (613, 30393), (921, 20229), (1839, 10131), (2763, 6743), (3377, 5517)]