19729941

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85411}}^1$

素因数の和:85432

約数の個数: 16

約数和(自身を含む): 32798208

約数和(自身を除く): 13068267

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 85411, 256233, 597877, 939521, 1793631, 2818563, 6576647, 19729941]

約数ペア:

[(1, 19729941), (3, 6576647), (7, 2818563), (11, 1793631), (21, 939521), (33, 597877), (77, 256233), (231, 85411)]