19745523

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13627}}^1$

素因数の和:13663

約数の個数: 24

約数和(自身を含む): 34015488

約数和(自身を除く): 14269965

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13627, 40881, 95389, 122643, 286167, 313421, 858501, 940263, 2193947, 2820789, 6581841, 19745523]

約数ペア:

[(1, 19745523), (3, 6581841), (7, 2820789), (9, 2193947), (21, 940263), (23, 858501), (63, 313421), (69, 286167), (161, 122643), (207, 95389), (483, 40881), (1449, 13627)]