19542065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1$

素因数の和:1696

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 5168335

約数列:

[1, 5, 23, 109, 115, 545, 1559, 2507, 7795, 12535, 35857, 169931, 179285, 849655, 3908413, 19542065]

約数ペア:

[(1, 19542065), (5, 3908413), (23, 849655), (109, 179285), (115, 169931), (545, 35857), (1559, 12535), (2507, 7795)]