19889067

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31721}}^1$

素因数の和:31754

約数の個数: 16

約数和(自身を含む): 30453120

約数和(自身を除く): 10564053

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 31721, 95163, 348931, 602699, 1046793, 1808097, 6629689, 19889067]

約数ペア:

[(1, 19889067), (3, 6629689), (11, 1808097), (19, 1046793), (33, 602699), (57, 348931), (209, 95163), (627, 31721)]