19816713

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18503}}^1$

素因数の和:18533

約数の個数: 24

約数和(自身を含む): 34639488

約数和(自身を除く): 14822775

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18503, 55509, 129521, 166527, 314551, 388563, 943653, 1165689, 2201857, 2830959, 6605571, 19816713]

約数ペア:

[(1, 19816713), (3, 6605571), (7, 2830959), (9, 2201857), (17, 1165689), (21, 943653), (51, 388563), (63, 314551), (119, 166527), (153, 129521), (357, 55509), (1071, 18503)]