18945186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{242887}}^1$

素因数の和:242905

約数の個数: 16

約数和(自身を含む): 40805184

約数和(自身を除く): 21859998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 242887, 485774, 728661, 1457322, 3157531, 6315062, 9472593, 18945186]

約数ペア:

[(1, 18945186), (2, 9472593), (3, 6315062), (6, 3157531), (13, 1457322), (26, 728661), (39, 485774), (78, 242887)]