18799119

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9741393

約数列:

[1, 3, 9, 23, 69, 197, 207, 461, 591, 1383, 1773, 4149, 4531, 10603, 13593, 31809, 40779, 90817, 95427, 272451, 817353, 2088791, 6266373, 18799119]

約数ペア:

[(1, 18799119), (3, 6266373), (9, 2088791), (23, 817353), (69, 272451), (197, 95427), (207, 90817), (461, 40779), (591, 31809), (1383, 13593), (1773, 10603), (4149, 4531)]