18999071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 23622144

約数和(自身を除く): 4623073

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2027, 9373, 14189, 26351, 184457, 208781, 1461467, 2714153, 18999071]

約数ペア:

[(1, 18999071), (7, 2714153), (13, 1461467), (91, 208781), (103, 184457), (721, 26351), (1339, 14189), (2027, 9373)]