19966402

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10731518

約数列:

[1, 2, 67, 109, 134, 218, 1367, 2734, 7303, 14606, 91589, 149003, 183178, 298006, 9983201, 19966402]

約数ペア:

[(1, 19966402), (2, 9983201), (67, 298006), (109, 183178), (134, 149003), (218, 91589), (1367, 14606), (2734, 7303)]