19528663

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 24551424

約数和(自身を除く): 5022761

約数列:

[1, 7, 11, 77, 127, 889, 1397, 1997, 9779, 13979, 21967, 153769, 253619, 1775333, 2789809, 19528663]

約数ペア:

[(1, 19528663), (7, 2789809), (11, 1775333), (77, 253619), (127, 153769), (889, 21967), (1397, 13979), (1997, 9779)]