18911238

素因数分解:

$2^1\times 3^1\times {\mathrm{269}}^1\times {\mathrm{11717}}^1$

素因数の和:11991

約数の個数: 16

約数和(自身を含む): 37966320

約数和(自身を除く): 19055082

約数列:

[1, 2, 3, 6, 269, 538, 807, 1614, 11717, 23434, 35151, 70302, 3151873, 6303746, 9455619, 18911238]

約数ペア:

[(1, 18911238), (2, 9455619), (3, 6303746), (6, 3151873), (269, 70302), (538, 35151), (807, 23434), (1614, 11717)]