19944687

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30637}}^1$

素因数の和:30678

約数の個数: 16

約数和(自身を含む): 31373312

約数和(自身を除く): 11428625

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30637, 91911, 214459, 643377, 949747, 2849241, 6648229, 19944687]

約数ペア:

[(1, 19944687), (3, 6648229), (7, 2849241), (21, 949747), (31, 643377), (93, 214459), (217, 91911), (651, 30637)]