19484145

素因数分解:

$3^4\times 5^1\times {\mathrm{48109}}^1$

素因数の和:48126

約数の個数: 20

約数和(自身を含む): 34927860

約数和(自身を除く): 15443715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 48109, 144327, 240545, 432981, 721635, 1298943, 2164905, 3896829, 6494715, 19484145]

約数ペア:

[(1, 19484145), (3, 6494715), (5, 3896829), (9, 2164905), (15, 1298943), (27, 721635), (45, 432981), (81, 240545), (135, 144327), (405, 48109)]