18983870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19571}}^1$

素因数の和:19675

約数の個数: 16

約数和(自身を含む): 34525008

約数和(自身を除く): 15541138

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 19571, 39142, 97855, 195710, 1898387, 3796774, 9491935, 18983870]

約数ペア:

[(1, 18983870), (2, 9491935), (5, 3796774), (10, 1898387), (97, 195710), (194, 97855), (485, 39142), (970, 19571)]