19007961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47639}}^1$

素因数の和:47668

約数の個数: 16

約数和(自身を含む): 30489600

約数和(自身を除く): 11481639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47639, 142917, 333473, 905141, 1000419, 2715423, 6335987, 19007961]

約数ペア:

[(1, 19007961), (3, 6335987), (7, 2715423), (19, 1000419), (21, 905141), (57, 333473), (133, 142917), (399, 47639)]