19853109

素因数分解:

$3^2\times {\mathrm{401}}^1\times {\mathrm{5501}}^1$

素因数の和:5908

約数の個数: 12

約数和(自身を含む): 28753452

約数和(自身を除く): 8900343

約数列:

[1, 3, 9, 401, 1203, 3609, 5501, 16503, 49509, 2205901, 6617703, 19853109]

約数ペア:

[(1, 19853109), (3, 6617703), (9, 2205901), (401, 49509), (1203, 16503), (3609, 5501)]