19942989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 12405171

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1871, 3553, 5613, 10659, 20581, 31807, 35549, 61743, 95421, 106647, 349877, 391039, 604333, 1049631, 1173117, 1812999, 6647663, 19942989]

約数ペア:

[(1, 19942989), (3, 6647663), (11, 1812999), (17, 1173117), (19, 1049631), (33, 604333), (51, 391039), (57, 349877), (187, 106647), (209, 95421), (323, 61743), (561, 35549), (627, 31807), (969, 20581), (1871, 10659), (3553, 5613)]