19898062

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 30511872

約数和(自身を除く): 10613810

約数列:

[1, 2, 67, 134, 163, 326, 911, 1822, 10921, 21842, 61037, 122074, 148493, 296986, 9949031, 19898062]

約数ペア:

[(1, 19898062), (2, 9949031), (67, 296986), (134, 148493), (163, 122074), (326, 61037), (911, 21842), (1822, 10921)]