18421347

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28297}}^1$

素因数の和:28338

約数の個数: 16

約数和(自身を含む): 28977152

約数和(自身を除く): 10555805

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28297, 84891, 198079, 594237, 877207, 2631621, 6140449, 18421347]

約数ペア:

[(1, 18421347), (3, 6140449), (7, 2631621), (21, 877207), (31, 594237), (93, 198079), (217, 84891), (651, 28297)]