18922880

素因数分解:

$2^7\times 5^1\times {\mathrm{29567}}^1$

素因数の和:29586

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 26316160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29567, 59134, 118268, 147835, 236536, 295670, 473072, 591340, 946144, 1182680, 1892288, 2365360, 3784576, 4730720, 9461440, 18922880]

約数ペア:

[(1, 18922880), (2, 9461440), (4, 4730720), (5, 3784576), (8, 2365360), (10, 1892288), (16, 1182680), (20, 946144), (32, 591340), (40, 473072), (64, 295670), (80, 236536), (128, 147835), (160, 118268), (320, 59134), (640, 29567)]