19530909

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2503}}^1$

素因数の和:2546

約数の個数: 24

約数和(自身を含む): 30749120

約数和(自身を除く): 11218211

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2503, 2601, 7509, 7803, 22527, 42551, 67581, 127653, 382959, 723367, 1148877, 2170101, 6510303, 19530909]

約数ペア:

[(1, 19530909), (3, 6510303), (9, 2170101), (17, 1148877), (27, 723367), (51, 382959), (153, 127653), (289, 67581), (459, 42551), (867, 22527), (2503, 7803), (2601, 7509)]