19626483

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 28446768

約数和(自身を除く): 8820285

約数列:

[1, 3, 17, 51, 53, 137, 159, 411, 901, 2329, 2703, 2809, 6987, 7261, 8427, 21783, 47753, 123437, 143259, 370311, 384833, 1154499, 6542161, 19626483]

約数ペア:

[(1, 19626483), (3, 6542161), (17, 1154499), (51, 384833), (53, 370311), (137, 143259), (159, 123437), (411, 47753), (901, 21783), (2329, 8427), (2703, 7261), (2809, 6987)]