18225009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9689}}^1$

素因数の和:9725

約数の個数: 24

約数和(自身を含む): 30232800

約数和(自身を除く): 12007791

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 9689, 29067, 87201, 106579, 184091, 319737, 552273, 959211, 1656819, 2025001, 6075003, 18225009]

約数ペア:

[(1, 18225009), (3, 6075003), (9, 2025001), (11, 1656819), (19, 959211), (33, 552273), (57, 319737), (99, 184091), (171, 106579), (209, 87201), (627, 29067), (1881, 9689)]