18946389

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11717}}^1$

素因数の和:11745

約数の個数: 24

約数和(自身を含む): 32060448

約数和(自身を除く): 13114059

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11717, 35151, 82019, 128887, 246057, 386661, 574133, 902209, 1722399, 2706627, 6315463, 18946389]

約数ペア:

[(1, 18946389), (3, 6315463), (7, 2706627), (11, 1722399), (21, 902209), (33, 574133), (49, 386661), (77, 246057), (147, 128887), (231, 82019), (539, 35151), (1617, 11717)]