18945858

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{47129}}^1$

素因数の和:47201

約数の個数: 16

約数和(自身を含む): 38458080

約数和(自身を除く): 19512222

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 47129, 94258, 141387, 282774, 3157643, 6315286, 9472929, 18945858]

約数ペア:

[(1, 18945858), (2, 9472929), (3, 6315286), (6, 3157643), (67, 282774), (134, 141387), (201, 94258), (402, 47129)]