20119119

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 8220081

約数列:

[1, 3, 19, 57, 409, 863, 1227, 2589, 7771, 16397, 23313, 49191, 352967, 1058901, 6706373, 20119119]

約数ペア:

[(1, 20119119), (3, 6706373), (19, 1058901), (57, 352967), (409, 49191), (863, 23313), (1227, 16397), (2589, 7771)]