19924929

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 29532672

約数和(自身を除く): 9607743

約数列:

[1, 3, 9, 67, 173, 191, 201, 519, 573, 603, 1557, 1719, 11591, 12797, 33043, 34773, 38391, 99129, 104319, 115173, 297387, 2213881, 6641643, 19924929]

約数ペア:

[(1, 19924929), (3, 6641643), (9, 2213881), (67, 297387), (173, 115173), (191, 104319), (201, 99129), (519, 38391), (573, 34773), (603, 33043), (1557, 12797), (1719, 11591)]