18939836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1249}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 16340164

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 1249, 2498, 3791, 4996, 7582, 15164, 21233, 42466, 84932, 278527, 557054, 1114108, 4734959, 9469918, 18939836]

約数ペア:

[(1, 18939836), (2, 9469918), (4, 4734959), (17, 1114108), (34, 557054), (68, 278527), (223, 84932), (446, 42466), (892, 21233), (1249, 15164), (2498, 7582), (3791, 4996)]