19500417

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 29044704

約数和(自身を除く): 9544287

約数列:

[1, 3, 9, 67, 73, 201, 219, 443, 603, 657, 1329, 3987, 4891, 14673, 29681, 32339, 44019, 89043, 97017, 267129, 291051, 2166713, 6500139, 19500417]

約数ペア:

[(1, 19500417), (3, 6500139), (9, 2166713), (67, 291051), (73, 267129), (201, 97017), (219, 89043), (443, 44019), (603, 32339), (657, 29681), (1329, 14673), (3987, 4891)]