18929742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242689}}^1$

素因数の和:242707

約数の個数: 16

約数和(自身を含む): 40771920

約数和(自身を除く): 21842178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242689, 485378, 728067, 1456134, 3154957, 6309914, 9464871, 18929742]

約数ペア:

[(1, 18929742), (2, 9464871), (3, 6309914), (6, 3154957), (13, 1456134), (26, 728067), (39, 485378), (78, 242689)]