19860057

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10169}}^1$

素因数の和:10213

約数の個数: 24

約数和(自身を含む): 33845760

約数和(自身を除く): 13985703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10169, 30507, 71183, 91521, 213549, 315239, 640647, 945717, 2206673, 2837151, 6620019, 19860057]

約数ペア:

[(1, 19860057), (3, 6620019), (7, 2837151), (9, 2206673), (21, 945717), (31, 640647), (63, 315239), (93, 213549), (217, 91521), (279, 71183), (651, 30507), (1953, 10169)]