18909812

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1907}}^1$

素因数の和:2015

約数の個数: 24

約数和(自身を含む): 34511904

約数和(自身を除く): 15602092

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 1907, 2479, 3814, 4958, 7628, 9916, 70559, 127769, 141118, 255538, 282236, 511076, 4727453, 9454906, 18909812]

約数ペア:

[(1, 18909812), (2, 9454906), (4, 4727453), (37, 511076), (67, 282236), (74, 255538), (134, 141118), (148, 127769), (268, 70559), (1907, 9916), (2479, 7628), (3814, 4958)]