18699152

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27179}}^1$

素因数の和:27230

約数の個数: 20

約数和(自身を含む): 37073520

約数和(自身を除く): 18374368

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27179, 54358, 108716, 217432, 434864, 1168697, 2337394, 4674788, 9349576, 18699152]

約数ペア:

[(1, 18699152), (2, 9349576), (4, 4674788), (8, 2337394), (16, 1168697), (43, 434864), (86, 217432), (172, 108716), (344, 54358), (688, 27179)]