18380464

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28019}}^1$

素因数の和:28068

約数の個数: 20

約数和(自身を含む): 36482040

約数和(自身を除く): 18101576

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28019, 56038, 112076, 224152, 448304, 1148779, 2297558, 4595116, 9190232, 18380464]

約数ペア:

[(1, 18380464), (2, 9190232), (4, 4595116), (8, 2297558), (16, 1148779), (41, 448304), (82, 224152), (164, 112076), (328, 56038), (656, 28019)]