19205818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8431}}^1$

素因数の和:8517

約数の個数: 16

約数和(自身を含む): 30962304

約数和(自身を除く): 11756486

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8431, 16862, 143327, 286654, 564877, 1129754, 9602909, 19205818]

約数ペア:

[(1, 19205818), (2, 9602909), (17, 1129754), (34, 564877), (67, 286654), (134, 143327), (1139, 16862), (2278, 8431)]