19860884

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 16064236

約数列:

[1, 2, 4, 47, 89, 94, 178, 188, 356, 1187, 2374, 4183, 4748, 8366, 16732, 55789, 105643, 111578, 211286, 223156, 422572, 4965221, 9930442, 19860884]

約数ペア:

[(1, 19860884), (2, 9930442), (4, 4965221), (47, 422572), (89, 223156), (94, 211286), (178, 111578), (188, 105643), (356, 55789), (1187, 16732), (2374, 8366), (4183, 4748)]