18062216

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 35112000

約数和(自身を除く): 17049784

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 439, 556, 878, 1112, 1756, 3512, 5143, 10286, 16243, 20572, 32486, 41144, 61021, 64972, 122042, 129944, 244084, 488168, 2257777, 4515554, 9031108, 18062216]

約数ペア:

[(1, 18062216), (2, 9031108), (4, 4515554), (8, 2257777), (37, 488168), (74, 244084), (139, 129944), (148, 122042), (278, 64972), (296, 61021), (439, 41144), (556, 32486), (878, 20572), (1112, 16243), (1756, 10286), (3512, 5143)]