19984486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1511}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 31842720

約数和(自身を除く): 11858234

約数列:

[1, 2, 17, 34, 389, 778, 1511, 3022, 6613, 13226, 25687, 51374, 587779, 1175558, 9992243, 19984486]

約数ペア:

[(1, 19984486), (2, 9992243), (17, 1175558), (34, 587779), (389, 51374), (778, 25687), (1511, 13226), (3022, 6613)]