19988906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83987}}^1$

素因数の和:84013

約数の個数: 16

約数和(自身を含む): 36282816

約数和(自身を除く): 16293910

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 83987, 167974, 587909, 1175818, 1427779, 2855558, 9994453, 19988906]

約数ペア:

[(1, 19988906), (2, 9994453), (7, 2855558), (14, 1427779), (17, 1175818), (34, 587909), (119, 167974), (238, 83987)]