19290885

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5381}}^1$

素因数の和:5628

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 11709435

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5381, 16143, 26905, 80715, 1286059, 3858177, 6430295, 19290885]

約数ペア:

[(1, 19290885), (3, 6430295), (5, 3858177), (15, 1286059), (239, 80715), (717, 26905), (1195, 16143), (3585, 5381)]