18700906

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19937}}^1$

素因数の和:20013

約数の個数: 16

約数和(自身を含む): 32538816

約数和(自身を除く): 13837910

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 19937, 39874, 139559, 279118, 1335779, 2671558, 9350453, 18700906]

約数ペア:

[(1, 18700906), (2, 9350453), (7, 2671558), (14, 1335779), (67, 279118), (134, 139559), (469, 39874), (938, 19937)]