18989751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19843}}^1$

素因数の和:19886

約数の個数: 16

約数和(自身を含む): 28575360

約数和(自身を除く): 9585609

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 19843, 59529, 218273, 575447, 654819, 1726341, 6329917, 18989751]

約数ペア:

[(1, 18989751), (3, 6329917), (11, 1726341), (29, 654819), (33, 575447), (87, 218273), (319, 59529), (957, 19843)]