18663105

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4957}}^1$

素因数の和:5216

約数の個数: 16

約数和(自身を含む): 29985984

約数和(自身を除く): 11322879

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 4957, 14871, 24785, 74355, 1244207, 3732621, 6221035, 18663105]

約数ペア:

[(1, 18663105), (3, 6221035), (5, 3732621), (15, 1244207), (251, 74355), (753, 24785), (1255, 14871), (3765, 4957)]